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Flensing at Whalers Bay, Deception Island

Flensing is the removing of the blubber or outer integument of whales, separating it from the animal's meat. Processing the blubber (the subcutaneous fat) into whale oil was the key step that transformed a whale carcass into a stable, transportable commodity. It was an important part of the history of whaling. The whaling that still continues in the 21st century is both industrial and aboriginal. In aboriginal whaling the blubber is rarely rendered into oil, although it may be eaten as muktuk.

Terminology

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English whalemen referred to the process as flensing, while American whalemen called it cutting-in or flinching.[1]

Open-boat

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Shore and bay whaling

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Whale-Fishing. Facsimile of a Woodcut in the "Cosmographie Universelle" of Thevet, in folio: Paris, 1574
"Smeerenburg". A whale (left foreground) is being flensed. Painting by Cornelis de Man (1639).

In Spitsbergen, in the first half of the 17th century, the processing of whales was primarily done ashore. Where the whale was flensed differed between the English and Dutch. The English brought the whale to the stern of the ship, where men in a boat cut strips of blubber from the whale's back. These were tied together and rowed ashore, where they were cut into smaller pieces to be boiled into oil in large copper kettles (trypots). The Dutch eschewed this system, bringing the whales into the shallows at high-tide and flensing them at low-tide. This latter method proved much less time-consuming and more effective. Both parties only cut off the blubber and the head, leaving the rest of the carcass to polar bears and sea birds.[2]

In Japan the whole carcass was utilized. During the open-boat whaling era in Japan in the late 16th to early 20th century, whales were winched ashore by large capstans. There, men with flensing knives would not only cut up the blubber into long strips with the assistance of these capstans, but also cut up the viscera and bones to make various products.

Flensing at the Tyee Company whaling station at Murder Cove, Alaska

Shore whaling flensing methods elsewhere differed little from the European whaling mentioned above. In California during the 19th century whales could be winched ashore either at a sandy beach or, in the case of the Carmel Bay station just south of Monterey, they were brought to the side of a stone-laid quay to be flensed. Cutting-tackles were suspended from an elevated beam, allowing the whalers to roll the carcass over in the water for flensing.[3] On Norfolk Island humpback whales were flensed in the shallows along a rocky beach. Men sliced the blubber from the lean with the assistance of a winch.

Pelagic whaling

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Mincing blubber

By the 1630s whaling had spread offshore and into the ice floes west of Spitsbergen. Here whales were flensed alongside the ship, the blubber cut into small pieces and put into casks to either be boiled into oil at a station ashore, or, by late century, on the return to port. At about the same time Basque whalers began trying-out oil aboard ship, but this appears to have met limited success: the method was not fully utilized until the late 18th century.

American whaleships also adopted this method.[4] The whale, whether it be a baleen or toothed whale, was usually brought to the starboard side of the ship tail-first. A cutting-stage was lowered over the carcass consisting of three heavy planks where men with long-handled cutting spades could stand to "cut in" the whale. The blubber was cut in strips called "blanket pieces" in a circular fashion (like peeling an orange). For a baleen whale the sides of the lower lips were cut off and its upper jaw, filled with valuable baleen, was hacked off with an axe. For a sperm whale the tooth-studded lower jaw was wrenched off, and head taken off and brought aboard; if it was a particularly large specimen, it was brought aboard in two segments. Besides the blubber and baleen, whalemen would also take the tongue of a baleen whale, as well as the flukes of both baleen and toothed whales before setting the carcass adrift for sharks and other scavengers. The blanket pieces were hoisted down into the blubber room, where men cut the pieces into smaller "horse pieces" about four feet by six inches (120 by 15 cm). These in turn were made into "bible leaves", which were put into the two (or three) try-pots to be boiled into oil. The baleen, meanwhile, was pulled from the gum, washed with sand and water, polished, and put into bundles.

Modern

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Shore and bay whaling

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A humpback whale about to be flensed at the Cheynes Beach Whaling Station in the early 1950s

Flensing at stations in the early modern era (late nineteenth century) differed little from earlier methods. In Finnmark the whales were merely flensed at low-tide. Later mechanical winches and slipways were introduced. The whale was winched up the slipway onto a flensing plan, where men with long-handled knives shaped like hockey sticks would cut off long strips of blubber with the help of winches. As more and more of the carcass was utilized flensing became more specialized. Soon the entire whale was being used.

At Grytviken, a whaling station at South Georgia, after the blubber had been stripped off the carcass by a group of flensers, a gang of three lemmers would pull it aside with the aid of steam winches and blocks to remove the meat and bone. Other men armed with steel hooks cut the meat into smaller pieces and fed them into meat cookers, while the bones were put into separate boilers.[5]

Pelagic

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At first, factory ships, simply more modern versions of earlier American whaleships, could only anchor in a bay to process whales. They used virtually the same techniques as open-boat whalemen, bringing the carcass alongside the ship, cutting the blubber into long strips, which were cut into smaller pieces to be boiled in large steam cookers.[6] In the southern summer of 1912-13 the first successful attempt was made by a Norwegian factory ship at catching and flensing whales in the pack ice off South Orkney. A further breakthrough occurred in the 1923–24 season when the Norwegian factory ship Sir James Clark Ross spent an entire season in the Ross Sea flensing whales alongside the ship while anchored in Discovery Inlet off the Ross Ice Shelf.[7] With the introduction of the stern slipway[8] in the Lancing in 1925 flensing could be performed entirely on the open sea.[9]

A group of Inupiaq flense a bowhead whale on the north side of Barrow, Alaska Oct. 5, 2017.

The carcass was brought to the stern of the factory ship, where several other carcasses could be waiting to be processed.[10] A line was looped around the small of its tail and it was brought to the bottom of the slipway, where the small of its flukes was secured by a whale claw (a giant pair of tongs invented by the Norwegian Anton Gjelstad in 1931[11]) and pulled up unto the deck of the ship by powerful steam winches. On each side of the whale there were large chocks built into the deck so the carcass wouldn't roll in a rough sea. Two flensers, one on each side, cut longitudinal slits along the length of the body, while another man with spiked boots climbed atop the whale to make further cuts. With the use of a winch on an arch at the center of the ship two strips of blubber were pulled off (like the peeling of a banana), which was attended by "a crackling like a bonfire of peasticks."

Next the lower jaw, which can be as long as twenty feet (6 m) for a blue whale, was lifted skyward, wrenched off and the baleen cut out. The carcass was rolled over and a third strip of blubber was pulled off. The blubber was further cut into smaller pieces and fed into manholes in the deck which lead to the cookers. The carcass was brought forward where the lemmers, just like their Grytviken counterparts, took care of the meat, bone, and viscera. This allowed another whale to be brought up the slipway and onto the deck to be flensed. The meat was flensed similar to the blubber, while the bones were sliced by a steam-driven bone saw. The carcass was once again turned over, allowing more of the meat and ribs to be taken off. The good-quality meat was frozen, while virtually everything else was dropped down through the manholes into the cookers.

References

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Revisions and contributorsEdit on WikipediaRead on Wikipedia

Flensing

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from Grokipedia
Flensing is the process of stripping the or from the carcass of a , seal, or similar , primarily to extract and other valuable products during operations. The term originates from the Danish word flense, first recorded in English in 1814, and traces back to Germanic roots meaning "to split" or "to splice," derived from the Proto-Indo-European *(s)plei-. Historically, flensing emerged as a key technique in the industry during the 17th and 18th centuries, coinciding with the expansion of open-sea hunting for species like sperm whales, whose deep-water habitats necessitated onboard processing rather than shore-based methods. In early American around and New Bedford, it was often conducted ashore using specialized tools, contributing to the economic boom of the industry, which peaked in the mid- with annual sales exceeding $11 million by 1853. By the , advancements allowed flensing at sea: whales were towed to ships or hauled onto decks tail-first, where teams of workers used large knives and spades to cut the into horse-shaped pieces or long strips, separating it from the and bones. The process evolved significantly with the introduction of steam-powered factory ships in the early , particularly before , enabling efficient, high-volume operations that minimized waste—blubber was rendered into oil via steam digesters, while meat and bones were processed into meal for fertilizers and . from flensing was vital for lighting, lubrication, , and production until the rise of and synthetic alternatives in the , leading to the decline of commercial . As of 2025, flensing is primarily limited to regulated indigenous, scientific, and a small amount of commercial in countries like and , following Iceland's halt to commercial in 2025, despite the International Whaling Commission's moratorium on commercial since 1986, reflecting ethical and conservation concerns over historical practices.

Terminology and Etymology

Origins of the Term

The term "flensing" originates from the Dutch verb flensen, meaning "to strip off" or "to cut flesh," which was adopted into English during the through interactions between English and Dutch whalers in the burgeoning industry. Dutch dominance in early modern , particularly in the fisheries from the 1610s onward, facilitated the transmission of nautical terminology, including flensen, as English crews collaborated on techniques for processing large marine mammals. This borrowing reflects the broader linguistic exchange in European maritime trade during the Age of Sail, where specialized vocabulary evolved from continental European roots to suit English-speaking operations. The first documented use of "flensing" in English appears in 1820, in William Scoresby's seminal work An Account of the Arctic Regions, with a History and Description of the Northern Whale-Fishery, where it describes the methodical removal of from captured whales using specialized tools like blubber-spades. Scoresby, a veteran captain and naturalist, employed the term to detail the process in the context of British fisheries, marking its integration into formal amid the industry's expansion in the early . Prior to this, related forms may have circulated orally among sailors, but Scoresby's publication standardized its application in print. Regional variations of the term emerged in dialects, such as "flench" and "flinch" (or "flinching"), particularly in the Islands, where Norse-influenced Scots preserved older phonetic forms tied to local shore-based . In accounts from the , "flench" denoted the stripping of from beached or hunted whales, adapting the Dutch-derived word to insular dialects amid the islands' role as a key outpost for British Arctic voyages. Over the 17th and 18th centuries, during the Age of Sail, "" evolved from a general term for or butchering large animals—rooted in broader European meat-processing practices—to a whale-specific application, driven by the demands of pelagic where efficiency in extraction was essential for oil production. This specialization coincided with technological shifts, such as the use of shipboard platforms for processing, distinguishing it from land-based butchery and embedding it firmly in global lexicon by the early 1800s.

Key Terms and Variations

In operations, flensing involves several specialized terms that describe the precise stages of separating from the carcass, ensuring efficient processing for oil extraction. These terms, rooted in the practical needs of 19th-century whalemen, facilitate clear communication among crew during the labor-intensive cutting process. Understanding them is essential for grasping the technical aspects of traditional . Regional variations in terminology reflect the distinct traditions of different cultures. In Norwegian , the process is often referred to as hvalflensning, emphasizing the stripping of (flensning) from the (hval), a term derived from practices of skinning marine mammals. In contrast, American integrated flensing more closely with the subsequent "trying-out" phase, where was rendered into oil aboard ship, leading to terms that blurred the lines between cutting and processing. Flensing must be distinguished from related post-capture processes: it specifically denotes the initial removal of layers, whereas "" refers to the finer chopping of blubber into thin slices for easier rendering, and "trying" (or "trying-out") is the of that blubber to extract . These distinctions highlight flensing as the preparatory cutting stage, separate from the mechanical breakdown and chemical extraction that follow.

Core Glossary of Flensing Terms

  • Blanket Piece: A long, continuous strip of , typically 14–20 feet (4.3–6.1 m) long and several inches thick, peeled from the whale's body during the initial flensing cuts and hoisted aboard for further ; the term evokes the broad, enveloping layer it forms around the carcass.
  • Horse Piece: A rectangular slab of blubber, approximately 6 feet (1.8 m) long, 1 foot (0.3 m) wide, and 10 inches (25 cm) thick, obtained by subdividing the blanket piece below decks; named for the wooden trestle or "horse" on which it was sliced for further .
  • Case: The large cavity in the of a filled with , accessed after flensing the head and bailed out separately from blubber; referring to its container-like storage of valuable .
  • Cutting In: A for flensing, describing the act of stripping blubber from the floating whale using knives and spades to create the initial blanket pieces; the term originated in 18th-century British and American logs to denote the "inward" cutting toward the carcass core.
  • : The process of slicing horse pieces into thin, book-like layers known as "bible leaves" using specialized knives, preparing the blubber for trying; derived from "mince," it entered vocabulary in the early 19th century to describe the fine, repetitive cutting action.
  • Trying: The rendering of minced blubber by in try-pots to separate from solids, following flensing; the term, from "trien" meaning to separate or purify, underscores the extraction focus in American pelagic .
  • Bible Leaves: Ultra-thin slices (about 1/8 inch) of blubber produced by , resembling pages in a and facilitating even cooking during trying; the evocative name arose among whalemen in the 1800s for their layered, scriptural appearance.

Historical Context

Early Whaling Practices

Early whaling practices involving flensing, the process of stripping from cetaceans, originated among indigenous communities and evolved through medieval European efforts, primarily targeting smaller with rudimentary tools. Around 1000 AD, the culture, ancestors of the modern , developed sophisticated techniques for hunting bowhead whales in waters using umiaks—large, open-skin boats—and harpoons made from , stone, or later iron. These hunters pursued whales in open water, thrusting multiple harpoons to secure the animal before towing it to shore or ice for flensing, where communities manually cut away blubber layers with stone or knives to yield for fuel, meat for sustenance, and bones for tools and shelter. Similarly, in the Basque region of the , whalers from the 11th century onward exploited stranded right whales in the , initially processing them on beaches by manually stripping blubber with iron blades. This coastal method focused on small cetaceans and beached larger ones, emphasizing communal labor to separate the fatty integument for used in lighting and lubrication. Medieval European whaling in the built on Basque traditions, centering on right whales valued for their floatability after death, which facilitated beaching and manual flensing. Hunters used watchtowers to spot migrating whales and pursued them in slender rowboats called biscayennes, driving animals toward shore for clubbing or harpooning before stripping the carcass on the beach with large knives to remove long blubber strips. This process, documented from the 11th to 15th centuries, involved entire coastal communities in the labor-intensive task, yielding for textiles and bones for , though led to local depletions by the late medieval period. From the 16th to 18th centuries, European shifted toward more mobile operations with improved harpoons, yet flensing remained rudimentary, often conducted alongside ships or on rudimentary shore setups without specialized vessels. Hand-thrown toggle harpoons, adapted from indigenous designs, secured whales for towing, after which crews used basic iron spades to cut in horizontal and vertical incisions, peeling it away in manageable pieces for rendering into oil. These methods persisted in small-scale fleets targeting right and bowhead whales, relying on manual labor rather than mechanized tools. A pivotal development occurred in 1614 with the establishment of organized stations in by Dutch and English companies, introducing structured flensing crews to process bowhead whales efficiently. Following the discovery of rich grounds near Island, shore stations featured platforms where teams of workers, often numbering in the hundreds seasonally, towed killed whales to land and systematically flensed them using coordinated knife work to maximize yield for the burgeoning European oil trade. This marked the transition to semi-industrial operations, with crews dividing labor to cut, store, and try out on-site.

19th-Century Developments

In the early , the American whaling industry experienced rapid expansion, particularly in , as fleets ventured into distant waters like the for longer voyages. Centered in ports such as New Bedford, the U.S. fleet grew from 10 vessels in 1815 to 36 by 1820, peaking at 329 ships in 1857 and employing approximately 50,000 men, with flensing conducted directly at sea by securing captured whales alongside the vessel and stripping their using cutting spades and hooks from suspended wooden planks. British whaling fleets also contributed to this growth, mounting expeditions to regions including the North-West of and Indonesian waters throughout the 1800s, often collaborating with or competing against American operations in global hunts. This shift to at-sea flensing, supported by basic tools like long knives, marked a departure from shore-based processing and accommodated the increasing scale of operations. A key innovation was the adoption of shipboard tryworks starting in the , brick furnaces equipped with iron pots installed on deck to render into oil immediately after flensing, thereby extending voyage durations from months to years and reducing spoilage risks. Prior to this, was often stored raw, but tryworks transformed ships into floating factories, allowing crews to process catches efficiently amid the demands of deep-sea pursuits. Herman Melville's novel (1851) offers vivid accounts of 19th-century flensing, detailing crew roles such as mates like Starbuck and Stubb using spades to initiate cuts along the whale's body, harpooneers like inserting hooks to revolve the carcass, and the main crew heaving windlasses in unison to hoist the resulting strips aboard while fending off sharks. These descriptions underscore the coordinated labor and dangers involved, reflecting the hierarchical structure where officers directed the precise incisions and indigenous harpooneers handled the heavy lifting. The era's commercialization drove a surge in whale catches, rising from around 2,000 annually in the early to about 20,000 by mid-century, primarily by American and British fleets targeting and right whales, which necessitated streamlined flensing protocols to maximize yields from each vessel. This intensification, evident in regional data like over 13,000 southern right whales taken around and eastern between 1827 and 1900, highlighted the industry's shift toward industrialized efficiency but also accelerated depletion pressures.

Traditional Techniques

Open-Boat Flensing Process

In traditional open-boat , the flensing process, also known as "cutting-in," began immediately after a was killed and towed alongside the ship, typically on the starboard side, to prevent the vessel from listing under the weight of the . The carcass was secured using heavy chains fastened around the flukes or tail, often supplemented by a wooden beam inserted through the lower jaw or head to keep it buoyant and positioned correctly beside the hull. This was critical, as rough seas could cause the to swing violently, complicating the operation. The initial step involved severing the head, or "head case," to access valuable internal components. For sperm whales, the massive head—comprising up to one-third of the animal's length—was cut free and hoisted aboard using blocks and tackles attached to the mainmast, allowing crews to extract the waxy from the case and junk. Right whales and other species required removal of the upper jaw to retrieve the flexible plates, while the rest of the head was often discarded or processed separately. Following , the , positioned on a staging platform suspended from the ship's side, made a deep incision with a long-handled spade—typically 15 feet in length—between the eye socket and flipper to loosen the outer layer. A hook was then inserted into this cut, and the crew hauled on tackles connected to the ship's or capstan to peel away the first large strip of , known as a "blanket piece," measuring about 5 feet wide, 15 feet long, and 10 to 20 inches thick, weighing up to a . Subsequent strips were removed in a spiral fashion from tail to head, with the crew making circumferential cuts through the layer while rotating the carcass using additional tackles to expose new sections. This methodical stripping continued until the underlying flesh was reached, after which the tail flukes were severed and the remaining meat, bones, and discarded at . The entire flensing sequence relied on coordinated efforts from 20 to 30 crew members—virtually the full complement excluding the —who operated in teams: some wielded spades and knives from the staging, others managed the hauling gear, and a few processed the below decks into smaller "horse pieces" for storage or rendering. Blocks and tackles, rigged from the mast and yardarms, were essential for flipping the massive carcass and lifting the heavy blanket pieces aboard without capsizing the or ship. The process typically lasted 1 to 3 hours per , though high winds, swells, or a particularly large specimen could extend it, demanding precision to avoid wasting valuable . Safety risks were inherent to open-boat flensing, exacerbated by the blood-slicked decks, dangling tackles, and the sheer mass of falling sections that could crush workers or knock them overboard. Crew members often balanced on narrow planks or the whale's slippery surface, heightening the chance of falls into shark-infested waters surrounding the carcass, where tore at the remains. compounded these hazards during prolonged efforts in adverse weather, and historical logs record near-fatal incidents, such as slipping between the whale and ship during securing or cutting. One such account from the describes a nearly after tumbling overboard amid the chaos of attaching chains, underscoring the perilous proximity of the operations. These dangers contributed to the high injury and mortality rates in , as seen in broader perils like the 1820 sinking of , where crew survival hinged on navigating similar open-sea hazards post-attack.

Shore and Bay Whaling

Shore and bay involved adapting flensing techniques to process directly on or in protected coastal areas, where captured animals were towed to land for rather than being handled at . In this method, whalers first struck the using open boats launched from shore stations, then secured lines to tow the carcass back to the , often navigating strong currents and swells over distances of several miles. Upon arrival, crews waited for to beach the fully, allowing access to the underside for vertical incisions that exposed the layer; scaffolds or elevated platforms were erected alongside the carcass to support workers as they made precise cuts with long-handled spades and knives, peeling off large blanket pieces of in a systematic manner from head to tail. This land-based approach contrasted with open-boat flensing by enabling more stable footing and collaborative labor. Historical examples illustrate the scale and regional variations of these operations in the . In , Portuguese-led stations at targeted migrating gray whales starting around 1851, processing approximately 20 whales per season during peak years in the 1850s, yielding up to 800 barrels of oil annually per outfit through efficient beach flensing. Similarly, in , shore stations at Twofold Bay, , operated from 1828 onward, where crews towed southern right whales to sheltered bays for flensing on sandbars, supporting a fleet of up to 10 boats and contributing to the local economy through rendering into oil and bone extraction. These sites exemplified how bay whaling leveraged to sustain multi-decade industries. The primary advantages of shore and bay flensing stemmed from its logistical simplicity compared to pelagic methods. Land access facilitated the deployment of larger crews—often 20 to 30 men per station—for coordinated cutting and , while fixed try-pots on the beach or nearby platforms allowed immediate boiling of into , minimizing spoilage during processing. This setup reduced reliance on shipboard storage and enabled year-round operations near migration routes, boosting yields in regions like California's where over 4,000 whales were flensed across 15 stations from 1854 to 1900. Despite these benefits, shore whaling faced significant challenges tied to environmental and temporal constraints. Tidal timing was critical, as high tides could prevent beaching and low tides risked stranding boats or incomplete processing, leading to operational delays and lost catches. In warmer climates, rapid carcass posed a severe issue, with turning rancid within hours if not promptly rendered, contributing to the decline of Australian bay stations by the 1870s as compounded inefficiencies and product waste. By the late , such factors, alongside whale population reductions, rendered many operations unprofitable, hastening the shift away from coastal flensing.

Pelagic Whaling

Pelagic whaling, conducted far from shore, relied on small, steam-powered catcher boats launched from larger mother ships to pursue, kill, and initially process at . After harpooning and lancing the whale, the crew towed the carcass alongside the kills ship, where flensing began immediately to prevent sinking or loss to . Crews positioned boats or portable cutting stages near the floating body, using long-bladed knives to make circumferential and longitudinal cuts, dividing the into large, manageable sections known as horse pieces from the lower body and blanket pieces from the upper . These sections were hooked and hoisted aboard or sometimes towed separately to reduce the load on the boats, prioritizing given the limited and manpower on the vessels. The historical peak of this method occurred from the 1860s to the 1910s, when Norwegian fleets ventured into waters to target abundant populations of blue whales, the largest and a prime source of high-quality oil. Norwegian whalers, building on Svend Foyn's 1860s innovations like the explosive harpoon and steam-powered catchers, established pelagic operations that processed thousands of annually in southern oceans, with expeditions intensifying by the . This era saw pelagic flensing evolve to handle the massive scale of blue whales, up to 100 feet long, though constrained by boat mobility and weather. Innovations in the included the widespread adoption of mincing knives on boats, specialized tools with broad, serrated blades that sliced strips into thinner pieces without penetrating the skin, significantly reducing bulk for easier towing and storage aboard the cramped vessels. This allowed crews to process more efficiently during extended pelagic hunts, minimizing waste and adapting to the demands of far-off grounds. However, the open-sea environment posed severe risks, particularly in rough waters where storms could interrupt flensing and lead to incomplete processing. Early 1900s accounts describe crews struggling against high swells, with sections breaking free or sinking during gales, resulting in substantial losses—sometimes entire carcasses were abandoned to prevent boat . The combination of powered mobility and unpredictable seas often forced rushed cuts, heightening dangers like falls from stages or crushing between the whale and ship.

Modern Methods

Factory Ship Innovations

The introduction of factory ships in the 1920s revolutionized pelagic by enabling on-board processing of s at sea, eliminating the need for shore stations and allowing operations in remote areas like the . Norwegian engineers pioneered the stern-slipway design, first successfully implemented in 1925 on the Lancing, a converted that featured a ramp at the ship's for hauling carcasses directly onto the deck. This innovation was refined in purpose-built vessels such as the Kosmos and Vikingen by 1928, incorporating reinforced decks and slipways with a gentle slope to facilitate the of large s weighing up to 100 tons. These designs marked a shift from earlier methods, where s were floated alongside ships, to integrated floating factories capable of immediate flensing and product extraction. The flensing process on factory ships combined manual skill with mechanical aids for efficiency. Once hauled up the using powerful winches and cables attached to tail grabs (hval klo), the was positioned on the deck, where the chief initiated cuts with specialized long-handled knives to strip in wide strips. Winches and capstans then pulled the sections away, while additional mechanized systems, including conveyor belts and -driven cutters introduced in , accelerated the separation of meat, bone, and organs. was fed into on-deck digesters for oil extraction, and the entire operation allowed a single ship to process up to 10-15 s per day during peak activity, depending on species size and crew coordination. This mechanized approach reduced processing time from days to hours per , enabling fleets to sustain high-volume operations far from land. Factory ship innovations peaked during Antarctic expeditions following the 1925 breakthrough, with operations expanding rapidly in the Southern Ocean's summer seasons. By the , fleets supported by 41 and over 200 catcher boats harvested approximately 40,000 whales annually in waters, primarily and whales, driving industrial-scale production of oil, meat meal, and fertilizers. These expeditions, often departing from bases like , relied on the ships' self-sufficiency, including onboard and processing, to sustain months-long voyages. The scale of whaling began to decline after the due to (IWC) quotas aimed at preventing stock depletion. Established in 1946, the IWC imposed initial limits, but escalating catches prompted stricter measures by the mid-, including sanctuaries in 1966 and reduced allocations that curtailed pelagic operations. By the 1970s, quotas had halved catches from their peak, leading to the decommissioning of many s and a broader shift toward regulated, smaller-scale .

Contemporary Shore-Based Operations

Contemporary shore-based flensing operations occur primarily in a few countries under strict international regulations, focusing on small-scale, quota-limited hunting of species like minke whales. In Norway, commercial whaling targets North Atlantic minke whales within its exclusive economic zone, with catches processed at land-based stations after being towed ashore by catcher boats. Similarly, Japan conducts coastal whaling for minke, Bryde's, and sei whales near its shores, where carcasses are hauled to dedicated landing stations for butchering and distribution; in 2024, Japan launched the new factory ship Kangei Maru to support expanded commercial operations within its waters. These operations emphasize efficiency and resource use, contrasting with the high-volume pelagic methods of the past. As of 2025, Norway continues commercial whaling under its objection to the IWC moratorium, while Iceland, which previously operated under a reservation, has canceled its whaling season for economic reasons. The 1986 International Whaling Commission (IWC) moratorium on commercial whaling includes exceptions for aboriginal subsistence whaling to meet cultural and nutritional needs of indigenous communities, without profit motives. For instance, Alaskan Inuit communities in the United States conduct subsistence hunts for bowhead whales under IWC-allocated strike quotas, with processing at coastal sites using traditional and modern tools to strip and meat. withdrew from the IWC in 2019 to resume unrestricted commercial hunts within its waters. In modern shore-based flensing, whale carcasses are towed to stations using powered vessels, often within 20 miles of the , and winched onto platforms via slipways for processing. Workers employ specialized knives to peel in systematic cuts, separating it from and , with the entire carcass handled mechanically to minimize labor intensity compared to historical hand-powered methods. Since the , stations have incorporated updated winching systems for safer carcass elevation, though core flensing remains manual to preserve meat quality. A notable example is the grindadráp in the , a community-driven hunt not regulated by the IWC, where pods are driven ashore and flensed collectively using spinal lances and knives to sever necks and remove . Annual catches average around 700 long-finned s, distributed equally among participants from nearby communities, fostering social cohesion through shared labor in beaching, killing, and processing. This tradition, dating back centuries, involves all able-bodied locals and emphasizes rapid handling to ensure fresh products. Post-2000 sustainability efforts in regulated prioritize full carcass utilization to reduce waste and align with environmental standards, such as Japan's Blue Whale Unit system that incentivizes processing all parts into , , and meal. Norwegian operations similarly convert nearly the entire animal, with byproducts used for and fertilizers, supporting claims of ecological responsibility under monitored quotas. In aboriginal contexts like Greenland's minke hunts, communities aim for zero-waste processing, integrating with quotas to maintain stock health.

Tools and Equipment

Blubber Knives and Cutting Tools

Blubber spades, the primary cutting tools in traditional flensing, typically featured long wooden poles measuring 12 to 13 feet attached to iron or blades about 9 to 13 inches long and 4 to 5 inches wide, allowing whalers to slice thick strips of from the carcass while standing on the deck or boat. These spades, often weighing between 5 and 12 pounds depending on design, were sharpened on one or both edges for efficient separation of the layer from underlying . In 19th-century American , such as operations out of and New Bedford, these tools were essential for the open-boat , where crews cut blanket pieces of directly from the floating . Specialized variants included the head spade, a heavier implement with a robust up to 10 inches long and 3.5 inches wide, designed for severing tough bones and extracting oil-rich cases from the whale's head. The horse knife, a broad, double-edged around 30 inches long mounted on a short , was used for secondary cuts to divide larger strips, known as horse pieces, into smaller segments for processing. Other variants, like the sliver spade with a wider 6- to 8-inch , facilitated finer slicing and decapitation tasks during . Material evolution in knives and spades reflected advancements in , shifting from blades with wooden handles in the pre- to more durable cast steel alloys by the mid-19th century, improving edge retention and reducing breakage under the strain of cutting thick layers. This transition, evident in tools from the onward, enhanced efficiency in industrial-scale . Iconic examples of Nantucket-style blubber knives, characterized by their lunate blades and heavy iron construction, are preserved in whaling museums and exemplify 19th-century craftsmanship from the peak of American whaling. These artifacts, often forged in New England foundries, highlight the tool's role in transforming whales into valuable oil and byproducts.

Supporting Gear and Safety Measures

In 19th-century whaling, supporting gear for flensing primarily consisted of blocks, tackles, and ropes designed to secure and manipulate the whale carcass alongside the ship, enabling the efficient removal of blubber. The cutting tackle, a key component, featured a lower block strapped with multiple ropes and equipped with a shackled blubber hook inserted into a grommet for gripping blubber sections; this was connected via additional ropes to upper blocks suspended from the mainmast, allowing crews to hoist heavy "horse pieces" of blubber—often weighing hundreds of pounds—using the ship's windlass or capstan for mechanical advantage. Chains supplemented these systems in some operations, particularly for anchoring the tail or stabilizing larger sections during pelvic whaling. Hemp ropes formed the backbone of this equipment, with specialized whale lines lubricated for pliability and capable of sustaining a tensile load of approximately 6,000 pounds to handle the immense forces involved in carcass positioning. Safety measures during flensing evolved in response to the inherently hazardous nature of the work, where crews faced frequent risks of severe injury. Decks became treacherously slick with blood, oil, and , leading to slips and falls; workers were also vulnerable to deep lacerations from sharp cutting tools, crushing by dislodged chunks, and scalding from boiling oil in adjacent tryworks. In traditional open-boat and shore-based operations, minimal protective protocols existed, relying on crew experience and basic ship features like deck railings to prevent overboard falls, though injuries remained commonplace across voyages. By the 1920s, the advent of factory ships introduced more structured safeguards, including reinforced deck railings around flensing platforms to contain movements and reduce slip hazards during high-volume . Historical adaptations addressed environmental challenges, such as low visibility in whaling grounds during the , where crews occasionally performed nighttime or twilight flensing using lanterns to illuminate the carcass and tools amid prolonged darkness. Incident data from the mid-20th century underscores the persistence of risks; for instance, 1940s records from factory ship operations document numerous crew injuries from slips and cuts during flensing, prompting enhanced deck grating and non-slip surfacing to improve traction. In modern, limited contexts—such as indigenous subsistence hunts—personal protective equipment like non-slip boots and safety harnesses has become standard post-1950s, drawing from broader maritime regulations to mitigate falls and cuts on wet processing areas.

Cultural and Economic Impact

Role in Whaling Economies

Flensing played a pivotal role in the profitability of economies by enabling the efficient extraction of , the primary commodity driving the industry. , rendered into , served as a key illuminant for lamps, a for machinery, and a base for soaps and other products, with a single typically yielding 30-50 barrels of depending on and size. In the mid-19th century, this output fueled a booming U.S. industry that peaked at approximately $11-12 million in annual value during the and , ranking it among the nation's top economic sectors. The labor-intensive nature of flensing contributed to high operational costs but also incentivized skilled participation through premium compensation structures. Whaling crews operated on a "lay" system of profit-sharing rather than fixed wages, where flensers—as highly skilled workers responsible for precise removal—received larger shares than ordinary seamen, often equivalent to 1/100 to 1/120 of voyage proceeds compared to 1/150-1/200 for . For a typical four-year voyage yielding $50,000 in net oil sales, this could translate to $400-500 total for a flenser versus $250-300 for a common , reflecting the premium for their expertise despite the risks involved. In key ports like —the epicenter of American —flensing supported massive annual outputs that underscored the process's economic scale. By the early 1850s, the port's fleet produced over 300,000 barrels of yearly from flensed carcasses, accounting for roughly half of the global catch and generating wholesale values exceeding $10 million in peak seasons. In modern contexts, flensing remains integral to limited quota operations, particularly for byproducts like omega-3-rich used in supplements and traditional foods. Since the , indigenous subsistence hunts—such as those for bowhead whales in —and limited commercial hunts in objecting nations like and have leveraged 's high EPA and DHA content for products, providing nutritional and economic value in subsistence economies while adhering to international quotas. In 2025, canceled its commercial season due to economic unviability from declining demand and surplus unsold meat, signaling further challenges for the practice.

Legacy in Literature and Culture

Flensing, the process of stripping from carcasses, has left a profound mark on literature, particularly through Herman Melville's (1851). In Chapter 67, "Cutting In," Melville offers a detailed and graphic depiction of the flensing operation aboard the whaling ship Pequod, describing the crew's use of sharp tools to methodically peel away layers of amid the blood-soaked deck, emphasizing the labor-intensive and visceral nature of the task. This chapter's vivid imagery not only serves as a technical exposition but also symbolizes the dehumanizing grind of industrial , influencing 20th-century novels that grapple with themes of exploitation and the sea's harsh realities, such as Peter Matthiessen's Far Tortuga (1975), which echoes Melville's blend of adventure and ecological introspection. In visual art, flensing scenes captured the imagination of 19th-century American printmakers, notably Currier & Ives, whose lithographs romanticized yet realistically portrayed whaling's dangers and routines. Their 1863 print The Whale : Attacking a "" --and "Cutting In" illustrates the transition from harpooning to flensing, showing crews balanced on the whale's floating body as they slice into the with long knives, highlighting the perilous teamwork involved. These engravings, widely circulated in homes and taverns, helped embed flensing as a symbol of American maritime prowess and the untamed ocean in . Norwegian cultural practices post-1900 have preserved flensing's legacy through museum-based traditions tied to the nation's heritage. In , the Whaling Museum (Hvalfangstmuseet) features the restored hvalbåt Southern Actor, the last surviving whale catcher from the pelagic era, and hosts events that reenact elements of whaling operations, including demonstrations of historical processing techniques like flensing to educate on Norway's role in global . These activities, emerging after the industry's peak around 1905, foster a sense of cultural continuity amid declining practices. In modern media, flensing's ethical implications have been scrutinized in documentaries addressing hunts. The 2009 film The Cove, directed by , exposes the Taiji drive in , where captured animals are slaughtered and processed in a hidden cove, evoking flensing's brutality through hidden footage of the bloodied waters and ethical debates over such traditions. This Oscar-winning work has amplified global discussions on the moral costs of whaling-related practices, influencing activist narratives in environmental cinema.

References

  1. https://www.merriam-webster.com/dictionary/flense
  2. https://www.etymonline.com/word/flense
  3. https://www.scienceandmediamuseum.org.uk/objects-and-stories/history-whaling
  4. https://www.pbs.org/wgbh/americanexperience/features/whaling-history-whaling-america/
  5. https://collections.sea.museum/objects/45239/whaling-spade
  6. https://www.collinsdictionary.com/dictionary/english/flense
  7. https://www.dictionary.com/browse/flense
  8. https://www.jstor.org/stable/48610739
  9. https://whalesite.org/whaling/Ashley%20whaling%20glossary.htm
  10. https://digital.cincinnatilibrary.org/digital/api/collection/p16998coll10/id/23132/download
  11. https://whalesite.org/whaling/whalecraft/Processing/Whaling.html
  12. https://files.ehive.com/accounts/200657/objects/files/4d5b1b67e3564474904ac5312e1d3265.pdf
  13. https://americanhistory.si.edu/collections/nmah_867028
  14. https://pmc.ncbi.nlm.nih.gov/articles/PMC341790/
  15. https://www.researchgate.net/publication/235407504_A_review_of_old_Basque_whaling_and_its_effect_on_the_right_whales_of_the_North_Atlantic
  16. https://worldcetaceanalliance.org/2023/04/11/basque-whaling-history/
  17. https://hellmanwhalingcollection.org/the-collection/whalecraft/harpoons/
  18. https://www.cambridge.org/core/books/cambridge-history-of-the-polar-regions/industrial-whaling-in-the-arctic-and-antarctic/F5073F2F74F0F7215C0570282FA3280F
  19. https://svalbardmuseum.no/en/whaling
  20. https://www.whalingmuseum.org/research/research-resources/whaling-history/yankee-whaling/
  21. https://theconversation.com/abolition-wasnt-fueled-by-just-moral-or-economic-concerns-the-booming-whaling-industry-also-helped-sink-slavery-250980
  22. https://www.academia.edu/71899655/British_Sperm_Whaling_Activity_to_the_North_West_of_Australia_and_in_Indonesian_and_New_Guinea_Waters_in_the_1800s_Revised_February_2022
  23. https://www.gutenberg.org/files/2701/2701-h/2701-h.htm
  24. https://www.thecollector.com/hunting-whales-whaling-in-the-industrial-revolution/
  25. https://pmc.ncbi.nlm.nih.gov/articles/PMC3972245/
  26. https://www.neh.gov/humanities/2010/marchapril/feature/whaling-the-old-way
  27. https://whalesite.org/anthology/verrill.htm
  28. https://doriccolumns.wordpress.com/industry/whaling-industry/flensing/
  29. https://www.sj-costello.com/essays/2023/8/11/cutting-in-and-trying-out
  30. https://escholarship.org/content/qt5q9882gb/qt5q9882gb.pdf
  31. https://scholarworks.calstate.edu/concern/theses/jm214t65m
  32. https://www.nber.org/system/files/chapters/c8277/c8277.pdf
  33. https://www.whalingmuseum.org/research/research-resources/whaling-history/whales-and-hunting/
  34. https://spo.nmfs.noaa.gov/sites/default/files/pdf-content/MFR/mfr764/mfr7643.pdf
  35. https://whalersmemorybank.sgmuseum.gs/chapter/the-factory-ship/
  36. https://www.navalgazing.net/Merchant-Ships-Whaling
  37. https://www.cnrs-scrn.org/northern_mariner/vol08/nm_8_1_21-37.pdf
  38. https://www.jstor.org/stable/24359530
  39. https://iwc.int/management-and-conservation/whaling/commercial
  40. https://us.whales.org/our-goals/stop-whaling/whaling-in-japan/
  41. https://www.cnn.com/2024/05/30/asia/japan-whaling-mothership-kangei-maru-intl-hnk
  42. https://www.ifaw.org/news/fin-whales-safe-2025-iceland
  43. https://iwc.int/management-and-conservation/whaling/aboriginal
  44. https://iwc.int/management-and-conservation/whaling/aboriginal/usa/alaska
  45. http://www.jstwa9.com/hp-eng/pdf/2000E.pdf
  46. https://marecentre.nl/mast/documents/Japanesewhalingculture.pdf
  47. https://www.nber.org/system/files/chapters/c8288/c8288.pdf
  48. https://www.frontiersin.org/journals/veterinary-science/articles/10.3389/fvets.2021.552465/full
  49. https://www.whaling.fo/en/regulated/450-years-of-statistics
  50. https://environs.law.ucdavis.edu/sites/g/files/dgvnsk15356/files/media/documents/ENV-29-2-kobayashi.pdf
  51. https://www.eia-international.org/blog/party-political-whales-the-ongoing-senseless-slaughter-of-whales-by-iceland-japan-and-norway/
  52. https://aapisi.gl/wp-content/uploads/2024/07/UdgivelserFJAFinalCaptia-Whitepaperwhaling2012eng-DOK9064901806.pdf
  53. https://www.whalecraft.net/Spades.html
  54. https://collections.sea.museum/objects/42426/blubber-spade
  55. https://newbedford.emuseum.com/objects/215954/flensing-knife
  56. https://whalesite.org/whaling/whalecraft/Spades/Spades.html
  57. https://whalesite.org/whaling/plate206.htm
  58. https://whalesite.org/whaling/whalecraft/Harpoons/Harpoons.html
  59. https://whalesite.org/whaling/1883_Brown_Implements.htm
  60. https://whalesite.org/anthology/1925_Dow_Whale_Ships_and_Whaling_plus.htm
  61. http://www.petroleumhistory.org/OilHistory/pages/Whale/sperm_oil.html
  62. https://crookedtimber.org/2005/01/31/ask-a-nineteenth-century-whaling-expert/
  63. https://slicesofbluesky.com/the-golden-age-of-whaling/
  64. https://www.nber.org/system/files/working_papers/w2477/w2477.pdf
  65. https://www.sj-costello.com/essays/2023/3/4/pay-ranks-and-roles-aboard-whaleships
  66. https://www.checkhq.com/resources/blog/payroll-in-the-american-whaling-industry
  67. https://npshistory.com/publications/nebe/mello-2020.pdf
  68. https://journalhosting.ucalgary.ca/index.php/arctic/article/download/63400/47337/181478
  69. https://pmc.ncbi.nlm.nih.gov/articles/PMC12291266/
  70. https://news.mongabay.com/2024/04/icelandic-whaling-company-calls-off-fin-whale-hunt-this-summer/
  71. https://www.publishersweekly.com/pw/by-topic/industry-news/tip-sheet/article/53265-8-areas-of-culture-moby-dick-influenced.html
  72. https://www.metmuseum.org/art/collection/search/769243
  73. https://vestfoldmuseene.no/hvalfangstmuseet/en/home
  74. https://www.npr.org/2009/07/30/111366014/the-cove-a-stirring-crusade-against-a-grim-trade
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