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Roosterfish
Roosterfish
Roosterfish
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Roosterfish
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Carangiformes
Suborder: Nematistioidei
Girard et al., 2020
Family: Nematistiidae
T. N. Gill, 1862
Genus: Nematistius
T. N. Gill, 1862
Species:
N. pectoralis
Binomial name
Nematistius pectoralis
Distribution of roosterfish

The roosterfish (Nematistius pectoralis) is a unique species of marine carangiform fish found in the warmer shallow waters of the southeastern Pacific Ocean, from Baja California south to Peru. Roosterfish are a popular sport fish for being strong fighters.[2] They are also important targets of local artisanal and subsistence fisheries. It is the only species in the genus Nematistius, the family Nematistiidae, and the suborder Nematistioidei.[3] Their name comes from the having a "rooster comb" or seven long spines on the dorsal fin. Roosterfish can reach over 1.6 m (5 ft 3 in) in length and over 50 kg (110 lb) in weight.[4] Despite being a very popular sport fish, Roosterfish are an understudied species.

Taxonomy

[edit]

The scientific name of the roosterfish is Nematistius pectoralis.[5] It was first described by American ichthyologist, mammalogist, malacologist, and librarian Theodore Gill in 1862 based on specimens from the Smithsonian Institution collected by John Xantus.[6] Roosterfish are ray-finned fishes and therefore reside in the class Actinopterygii. They are one of the largest fish in the order Carangiformes.[7] Roosterfish are the sole member of the family Nematistiidae and the suborder Nematistioidei.[6] They are a unique group with no close relatives, although they appear to be the sister group to the Menoidei (comprising the moonfish and billfishes).[8]

Morphological description

[edit]

The body form of roosterfish is elongate and fusiform in shape. They have wide bands of simple teeth lining the inside of their pointed head. Their dorsal fin always has seven spines and a separate section of 25 soft rays, the anal fin has two spines and 15 soft rays, the pectoral fin has 16 soft rays that are very long and curved.[4][5] The caudal fin is deeply forked.[5] Silvery reflective and bluish to gray in color on head and body.[5] They have four black bars, one runs between their eyes, another across the back part of the head, two begin at the dorsal fin and curve along the length of the body back towards the tail.[5] The ridge of their spine also has some darker coloration. A large black patch is apparent on the lower base of the pectoral fins.[5] The spines of their dorsal fin are yellowish gray and black towards the tip.[5] The dorsal fin on juvenile roosterfish is black with a white bar in the center and white, yellow, and black striping towards the top.

Life cycle

[edit]

There are few studies on the spawning habits of roosterfish. They typically spawn during the warmer months, but this varies across their range. During the spawning season roosterfish gather in large groups called spawning congregations. While they migrate the perform courtship rituals. Roosterfish are ovuliparous meaning they exhibit external fertilization where the sperm and eggs are shed directly into the water.[9] When the eggs hatch the fry are transparent. At this stage of their life they are very vulnerable to predation.[9] The juvenile fish roosterfish are characterized by black bands that run vertically on their bodies and the majority of their body is silver. Juveniles tend to live in shallow waters close to the coast where there is a surplus of food and protection from predation.[9] This behavior helps them to facilitate growth. Sexual maturity is reached at age 4+. When they reach this age, and their body size is adequate, they join the breeding congregations during the breeding season.[9]

Feeding

[edit]

Roosterfish are generalist predators and eat many different things. They are important pelagic predators in the coastal regions where they occur.[10] The results of analyzing the stomach contents of multiple roosterfish showed nine species of prey fish and one cephalopod. The most common prey item in the stomachs of the roosterfish was anchovies of the genus Anchoa.[11] Roosterfish are known to feed in shallow lagoons and along shallow beaches.[11] Roosterfish follow prey species to maintain high nutritional content throughout the year.[11]

Range

[edit]

The native range of roosterfish is nearshore flats in the Pacific Ocean. The northern extent of their range is the Pacific Ocean and the Gulf of California surrounding the Baja Peninsula. They are present along the coast of Central America to Peru in South America and in the Galapagos archipelago and Malpelo Island.[12]

Conservation

[edit]

The International Union for Conservation of Nature (IUCN) had roosterfish listed as globally data deficient[12] until 2024 when they were classified as Least Concern. There are several efforts to increase global knowledge about roosterfish, notably efforts by the International Game Fish Association to fund roosterfish research.[13]

Angling

[edit]

Roosterfish are a popular sport fish, and they can be caught in many different ways. The most popular method is by using live bait.[14] They can also be caught on fly rods. When fly fishing, anglers commonly use natural colored salt streamers and shrimp patterns. These fish can also be caught with topwater flies and lures or silver poppers. Roosterfish can be very cost efficient to hunt because they can be caught from the beach. By walking up and down the beach an angler can spot them chasing fish in the shallows. Most success is yielded by getting in front of the fish and letting it approach. For spin fishing, a longer heavy action rod is best when casting these big lures and poppers, and no smaller than a 10wt rod for fly fishing. Having a large arbor reel that has the capacity to hold a significant amount of backing is necessary when targeting these fish. Typically an intermediate of sinking line that matches the weight of the rod is best when fishing streamers. A floating line is used when fishing top water.

The current all tackle records for roosterfish are 114.0 lb (51.71 kg) and 163 cm (64 in).[15][4] The weight of the average fish hooked is about 20 lb (9 kg). Catch and release is strongly recommended.

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Roosterfish

View on Grokipedia
from Grokipedia
The roosterfish (Nematistius pectoralis) is a monotypic of marine ray-finned in the Nematistiidae, endemic to the tropical and subtropical waters of the eastern , and renowned for its striking featuring seven elongated, filamentous spines that resemble a rooster's comb. This distinctive feature, along with its bluish-gray body marked by silvery reflections and four dark oblique bars, makes it easily identifiable among coastal predators. Native to shallow inshore waters from southern California (rarely north of Baja California) to Peru, including the Galápagos Islands, the roosterfish inhabits sandy beaches, rocky reefs, and tide pools at depths up to 18 meters, where juveniles seek refuge in intertidal zones. Adults exhibit a fusiform, compressed body with a pointed head, deeply forked tail, and long, curved pectoral fins bearing a dark basal patch, reaching a maximum length of 163 cm (fork length) and weight of 51.7 kg, though commonly measuring around 60 cm. As an apex predator with a trophic level of approximately 4.5, it primarily feeds on small schooling fish such as carangids, anchovies, and herrings, often ambushing prey near shorelines. Highly prized as a gamefish for its acrobatic fights and challenging nearshore , the roosterfish supports local recreational fisheries but has minor commercial value, with catches marketed fresh in regional markets. Despite its popularity, the species is assessed as Least Concern by the as of 2024, though comprehensive data on population trends remain limited, and habitat degradation and pose potential risks in its range.

Taxonomy and Systematics

Etymology and Names

The "roosterfish" derives from the ' prominent dorsal fin spines, which resemble the of a rooster. The scientific name Nematistius pectoralis was established by American ichthyologist in 1862. The genus name Nematistius combines the Greek words nema (thread) and istius (sail), alluding to the thread-like, elongated spines of the first . The specific epithet pectoralis is Latin for "pectoral," referring to the ' distinctive falcate and acuminate pectoral fins, which are nearly twice the length of the ventral fins. In Spanish-speaking regions of its range, such as , , and , the roosterfish is commonly known as pez gallo (rooster fish) or papagallo ( fish), names that echo its English counterpart and highlight the rooster-like dorsal structure. These terms reflect its cultural importance in local artisanal and fisheries, where it is highly valued as a fish for its aggressive fighting behavior during capture.

Classification and Phylogeny

The roosterfish, Nematistius pectoralis, was first described by American ichthyologist Theodore N. Gill in 1862, based on specimens from the Pacific coast of , and originally classified within the order . This initial placement reflected the broad and polyphyletic of at the time, which encompassed many percomorph fishes with similar external morphologies. Subsequent taxonomic revisions, driven by advances in morphological and molecular analyses, the species into the distinct order , recognizing its unique traits and evolutionary affinities. In modern , N. pectoralis is the sole in the monotypic Nematistius, Nematistiidae, and suborder Nematistioidei, all of which contain only this . The Nematistiidae was established by in alongside the , and its monotypic status has been consistently upheld through detailed osteological studies and genetic data. Within , Nematistioidei forms a basal suborder, positioned as the to the suborder Menoidei, which includes the families Menidae (moonfishes) and Xiphioidea (billfishes and sailfishes). This relationship highlights the roosterfish's isolated evolutionary position among carangiforms, with no close living relatives outside this pairing. Phylogenetic analyses post-2020 have reinforced the monotypic status of Nematistiidae using genomic-scale . A 2020 study integrating 463 ultraconserved element loci and 201 morphological characters resolved as monophyletic, confirming Nematistioidei's placement and its relationship to Menoidei with strong support (bootstrap values >95%). Complementing this, a 2022 mitochondrial analysis of N. pectoralis—the first such resource for the —demonstrated purifying selection in protein-coding genes and positioned the as monophyletic within , though with alternative clades (Toxotidae + Lactariidae) in a partial mitogenomic tree based on 13 protein-coding genes. These molecular updates underscore the roosterfish's distinct lineage, diverging early from other carangiform groups during the diversification of percomorph fishes.

Physical Description

Morphology and Coloration

The roosterfish (Nematistius pectoralis) exhibits an elongate, laterally compressed body shape, which facilitates rapid and agile swimming in its marine environment. The head is pointed, featuring a terminal equipped with simple teeth arranged in broad bands on both the jaws and the roof of the . Scales covering the body are small, , and smooth to the touch, numbering approximately 130 along the lateral series, with no scutes present on the . The dorsal fin is notably distinctive, comprising two sections: the spinous portion with eight spines, the posterior seven of which are greatly elongated and filamentous, creating the prominent "rooster comb" that gives the species its common name; this is followed by a soft-rayed portion with one spine and 25 rays. The anal fin consists of two spines and 15 soft rays, with its base shorter than that of the dorsal fin. Pectoral fins are elongated and curved, bearing 16 rays and extending beyond the origin of the anal fin, surpassing the pelvic fins in length. The caudal fin is deeply forked, aiding in propulsion. In terms of coloration, the body and head display a bluish-gray hue with silvery reflections, accented by four broad dark bars along the sides: one positioned between the eyes, another on the rear of the head, two oblique bars on the flanks, and a final bar at the tail base. The spinous dorsal fin has a yellowish-gray base, with the elongated spines black; the pectoral fins feature a black patch at the lower base. Juveniles exhibit a black spiny dorsal fin with a white central bar and spines striped in white, yellow, and black. No sexual dimorphism is observed in fin length or coloration patterns between males and females.

Size, Growth, and Sexual Dimorphism

The roosterfish (Nematistius pectoralis) can attain a maximum fork length of 163 cm and a weight of up to 51.7 kg, though commonly measuring around 60 cm total length, with adults caught in fisheries often reaching 100–120 cm total length. Age estimates derived from annual otolith increment analysis indicate that roosterfish live up to 8 years, with the majority of captured individuals aged 1–2 years. Growth is rapid in the first year, allowing juveniles to reach approximately 60–70 cm in fork length, after which increments narrow and growth slows. The von Bertalanffy growth model, fitted to fork length data from otoliths collected in , , yields parameters of L∞=131.53L_\infty = 131.53 cm, k=0.35k = 0.35 year−1^{-1}, and t0=−0.23t_0 = -0.23 years, reflecting moderate asymptotic growth potential. This model aligns with observations of accelerated early growth followed by deceleration, consistent with patterns in other coastal perciform fishes. The length–weight relationship follows the power-law form W=aLbW = a L^b, where for fork length, a≈2.6×10−5a \approx 2.6 \times 10^{-5} and b≈2.82b \approx 2.82, indicating near-isometric growth (b close to 3). Sexual dimorphism is minimal, with no significant differences observed in length–weight relationships between males and females across sampled populations.

Distribution and Habitat

Geographic Range

The roosterfish (Nematistius pectoralis) is endemic to the eastern , with its geographic range extending from , , southward to . This distribution includes the and the , though sightings are rare north of , with occasional records as far north as San Clemente in , . The occupies neritic waters within subtropical to tropical climatic zones, spanning latitudes from approximately 33°N to 18°S and longitudes from 119°W to 70°W. It is predominantly found at depths of 1 to 30 meters, though records exist up to 62 meters in deeper nearshore areas. Roosterfish undertake seasonal movements along the , particularly in the temperate regions of , driven by variations in . Ichthyological surveys conducted through , including from repositories, show no notable historical extensions or contractions in the roosterfish's range, maintaining its established eastern Pacific boundaries without evidence of poleward shifts or depth expansions linked to environmental changes. The is assessed as Least Concern by the (), reflecting its wide distribution and lack of major threats.

Habitat Preferences and Ecology

The roosterfish (Nematistius pectoralis) inhabits shallow coastal waters of the eastern tropical Pacific, typically at depths of 0–20 m over sandy or rocky bottoms in nearshore environments. Juveniles prefer protected bays, estuaries, and tide pools, which offer refuge from predators and turbulent conditions, while adults are often found near sandbars, reefs, and surf zones that facilitate hunting. These habitat selections align with the ' subtropical distribution, where it tolerates temperatures of 20.7–28.5°C (mean 25.8°C) and standard marine salinities around 30–35 ppt. It co-occurs with sympatric species such as jacks () and snappers (), sharing inshore s and potentially engaging in resource competition or indirect interactions through overlapping distributions in coastal assemblages. This role supports in dynamic surf-adjacent ecosystems, where the species contributes to energy transfer across trophic levels. Adaptations to its turbulent include a body for streamlined swimming and enlarged pectoral fins that enhance maneuverability in strong currents and wave action, allowing precise navigation over uneven bottoms.

Biology and Behavior

Reproduction and Life Cycle

The roosterfish (Nematistius pectoralis) is oviparous, with external fertilization occurring as females release eggs and males release sperm into the water column during spawning. Spawning occurs during warmer months in coastal waters, with potential grounds in the Gulf of California and Baja California. The eggs are pelagic and hatch into free-floating larvae. The larvae undergo an offshore planktonic phase before settling into shallower coastal and estuarine environments. The life cycle of the roosterfish progresses through distinct stages: juveniles (0-1 year) occupy estuaries and protected shallows such as pools, where they experience rapid growth to 60-70 cm fork length; subadults (1-4 years) shift to more offshore neritic habitats; and adults (4+ years) primarily inhabit coastal areas, including surf zones and nearshore reefs up to 12 m deep. Recent genetic studies (as of 2025) confirm distinct subpopulations and shifts with maturity, with juveniles preferring shorelines and adults expanding to reefs and sandbars. is reached at sizes detailed in the physical description section, around 4 years of age. Despite these insights, significant gaps remain in understanding roosterfish reproduction, including the exact locations of primary spawning grounds and larval survival rates, as highlighted in recent studies from the and eastern Pacific regions.

Feeding Habits and Diet

The roosterfish (Nematistius pectoralis) is a generalist that primarily preys on small fish, supplemented by cephalopods and crustaceans. Stomach content analyses indicate that fish dominate the diet (approximately 50-100% across studies by frequency of occurrence), with key prey including species from the Engraulidae (anchovies, such as Anchoa spp.), (sardines), and families. Cephalopods, such as squid ( spp.), and crustaceans occur as minor prey. These findings highlight a relatively narrow dietary niche focused on coastal pelagic and nearshore species. No significant seasonal variations in diet composition have been detected, with consistent reliance on across sampling periods from 2010 to 2017 in . predominantly occurs in shallow inshore waters, including surf zones and lagoons at depths of 3–4 meters, where roosterfish schooling prey. Juveniles exhibit a specialized predation strategy on small, pelagic schooling like Anchoa ischana and Eucinostomus spp., which form over 70% of their diet by number, with cephalopods appearing infrequently. The species occupies a of approximately 4.5, marking it as a mid-level predator in coastal food webs. Stable isotope analysis of δ¹³C and δ¹⁵N reveals an ontogenetic diet shift, with values increasing in correlation with fork length; juveniles depend more heavily on pelagic clupeids and engraulids, while adults target larger , leading to a higher trophic position and a mixed benthic-pelagic feeding ecology. No cannibalism has been documented in stomach content or isotopic studies.

Movement and Social Behavior

Acoustic telemetry studies have revealed that roosterfish (Nematistius pectoralis) exhibit short-term horizontal movements averaging 1.5 ± 0.4 km h⁻¹, with total distances ranging from 14.7 to 42.2 km over tracking periods of 9.4 to 28.3 hours in coastal waters off Central America. These movements primarily occur in shallow neritic zones, where individuals spend over 90% of their time at depths no greater than 12 m. Post-release survival following recreational angling is high, with all seven tracked individuals (fork lengths 85–146 cm) surviving the acute effects of capture and demonstrating normal behavior during monitoring. Roosterfish display distinct diel activity patterns, characterized by increased horizontal movement rates exceeding km h⁻¹ during crepuscular periods and quiescent phases at night, when they remain at average depths of about 6 . By day, they engage in oscillatory dives primarily within the upper 20 of the , aligning with their as active piscivorous hunters in structured coastal habitats from dawn through . At night, activity decreases sharply, with individuals largely confined to the upper 10 , suggesting periods of rest near the bottom or in structures. Socially, roosterfish are typically solitary or form small schools, particularly among juveniles that hunt in packs to pursue baitfish near beaches, though no territorial behaviors have been documented in telemetry or observational studies. During spawning, limited evidence indicates potential aggregations, but detailed observations remain scarce. Long-term tracking data for roosterfish is limited, but available records suggest seasonal coastal migrations, with individuals shifting from shallow inshore waters to deeper pelagic zones in response to changes in water (typically 23–31°C) and prey . These movements are tied to broader environmental cues, such as seasonal variations, though comprehensive migration patterns across their range require further .

Conservation and Threats

Population Status

The roosterfish (Nematistius pectoralis) is classified as Least Concern on the , following an assessment conducted on 23 2024. The Least Concern classification is based on the ' extensive range across the eastern Pacific from , , to , including the , and the absence of for significant population declines or major threats. Prior to this evaluation, the had not been formally assessed, reflecting limited prior data on its status. Population trends are considered overall, with no quantitative estimates of total abundance available to the ' minor role in commercial fisheries and challenges in monitoring inshore habitats. Fisheries-dependent data, including catch records from local artisanal and recreational sources, show no broad-scale reductions in abundance through 2025, consistent with the trend noted in the IUCN assessment. However, data remain sparse, and further research on life and trends is recommended to refine monitoring. Recent genomic studies indicate genetic variation within roosterfish populations, with evidence of distinct subpopulations along the eastern Pacific coast, including differentiation between Baja California Sur and Central American samples. These findings, derived from microsatellite markers and population genomics, show low gene flow, some reduced genetic variation due to past declines, but no significant inbreeding, supporting the species' resilience across its range through regional management.

Threats and Conservation Measures

The roosterfish (Nematistius pectoralis) faces threats from overharvest in both recreational and commercial fisheries, driven by its status as a prized in coastal waters of the eastern Pacific. This selective pressure on larger individuals can disrupt population structure and reduce reproductive potential, particularly in high-angling areas like Baja and . loss to coastal development further endangers the , as and projects degrade essential juvenile nurseries in mangroves, estuaries, and shallow bays. These areas are critical for early life stages, and their reduction limits recruitment into adult populations. in coastal commercial fisheries also contributes to mortality. Despite these risks, the species is assessed as Least Concern by the IUCN Red List. Conservation efforts include the International Game Fish Association's (IGFA) Roosterfish Research Program, launched in 2022, which employs tag-and-release techniques alongside genetic sampling to assess population connectivity and inform management; 2025 updates identified low gene flow between subpopulations, advocating for regional protections. In Mexico, regulatory measures enforce a daily bag limit of two roosterfish per angler, equivalent to five points toward the overall 10-fish quota, to curb harvest rates. Key habitats benefit from marine protected areas in the , such as the -listed Islands and Protected Areas of the , which safeguard reef and coastal ecosystems supporting roosterfish. International collaboration, including discussions at Eastern Pacific Ocean Conference sessions, promotes cross-border strategies for sustainable fisheries. However, significant gaps persist in long-term population monitoring to track trends and evaluate intervention effectiveness.

Human Interactions

Commercial Fisheries

Roosterfish (Nematistius pectoralis) hold minor commercial importance and are primarily exploited through small-scale artisanal and subsistence fisheries along the coasts of and . In , commercial fishing for roosterfish is prohibited and reserved exclusively for within 50 nautical miles of the , though illegal incidental catches may occur. These operations target the to a limited extent, often as an incidental catch rather than a primary focus, due to its perceived low food value stemming from dark musculature and tough texture. In regions like and , local fishers capture roosterfish opportunistically alongside more valued species, contributing modestly to household livelihoods in coastal communities. The is typically harvested using hook-and-line methods or inshore gillnets in shallow coastal waters. Captured roosterfish are sold fresh in local markets for human consumption, with minimal processing or activity, as the fish's primary economic role lies in recreational rather than large-scale . Artisanal catches remain low-volume, supporting secondary for fishers but overshadowed by more commercially viable species such as tunas and billfishes in the eastern Pacific. Regulations for commercial exploitation are generally lax outside , with no directed large-scale fisheries established across the species' range. In some areas outside , incidental catches occur without specific quotas, though broader coastal fishery management includes size limits and gear restrictions to promote sustainability. The overall impact of these artisanal activities on roosterfish populations remains poorly documented, highlighting the need for improved monitoring in these small-scale operations.

Recreational Angling

Roosterfish are a highly prized for recreational , particularly along the coasts of , , and , where their striking appearance and aggressive strikes make them a bucket-list target. Recent research by the International Game Fish Association (IGFA), as of 2025, has identified distinct genetic subpopulations, underscoring the importance of localized conservation in sustaining angling opportunities. In , the peak angling season spans June to October, coinciding with warmer inshore waters that draw larger individuals near rocky shorelines and surf zones. Effective techniques for targeting roosterfish include slow-trolling or casting live baits like mullet, using surface lures such as , or presenting large flies to mimic baitfish in shallow waters. Once hooked, these fish deliver battles marked by powerful, sustained runs parallel to the shore, often lasting 30 minutes or and testing even heavy tackle. Their robust dorsal fin enhances the leverage during these formidable fights. The International Game Fish Association (IGFA) recognizes the all-tackle roosterfish at 51.7 kg (114 lb), landed by Abe Sackheim off La Paz, Baja California Sur, , on June 1, 1960. In typical recreational catches, roosterfish weigh between 9 and 20 kg (20 and 44 lb), providing accessible yet challenging action for inshore anglers. In , recreational regulations limit catches to a maximum of two roosterfish per day, each counting as five toward the total bag limit. Catch-and-release is a of roosterfish , with demonstrating high post-release rates when are mouth-hooked and handled minimally; the use of hooks further reduces deep hooking, with one study showing 100% short-term in a small sample (n=7). These practices bolster the species' role in , where guided charters generate significant economic benefits while sustaining local fisheries. Annual tournaments like the International Roosterfish Tournament in highlight the sport's appeal, enforcing catch-and-release rules to foster sustainable and support . Events in , including inshore competitions, similarly emphasize responsible techniques to ensure long-term viability for this iconic species.

References

  1. https://www.fishbase.se/summary/Nematistius-pectoralis.html
  2. https://biogeodb.stri.si.edu/sftep/en/thefishes/species/1223
  3. http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-560X2015000100014
  4. https://nas.er.usgs.gov/queries/factsheet.aspx?speciesid=792
  5. https://onlinelibrary.wiley.com/doi/10.1111/jfb.70079
  6. https://www.fishbase.se/summary/3550
  7. https://etyfish.org/carangiformes1/
  8. https://www.fishbase.se/summary/Nematistius-pectoralis
  9. https://www.sciencedirect.com/science/article/abs/pii/S0378111922006667
  10. https://www.marinespecies.org/aphia.php?p=taxdetails&id=281664
  11. https://doi.org/10.1643/CI-19-320
  12. https://www.fishbase.se/summary/FamilySummary.php?ID=478
  13. https://doi.org/10.1016/j.gene.2022.146847
  14. https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=165794
  15. https://www.researchgate.net/publication/350595163_Estimating_age_and_growth_of_roosterfish_Nematistius_pectoralis_from_otoliths
  16. https://doi.org/10.7755/FB.115.1.10
  17. https://www.gbif.org/species/2369683
  18. https://www.iucnredlist.org/species/241132871/241132873
  19. https://www.researchgate.net/publication/275057083_Post_release_survival_and_movement_patterns_of_roosterfish_Nematistius_pectoralis_off_the_Central_American_coastline
  20. https://onlinelibrary.wiley.com/doi/10.1111/fog.12567
  21. https://pier.org/userdocs/images/files/scientific_publications/SS.%20roosterfish.pdf
  22. https://inthespread.com/blog/roosterfish-fishing-cabo-san-lucas-vs-osa-peninsula-352
  23. https://igfa.org/2025/02/20/the-igfa-and-the-future-of-roosterfish-a-landmark-study/
  24. https://www.researchgate.net/publication/391743571_Trophic_ecology_of_roosterfish_Nematistius_pectoralis_inferred_from_stomach_content_and_stable_isotope_analyses_in_the_southern_part_of_Baja_California_peninsula
  25. https://www.scielo.cl/pdf/revbiolmar/v44n3/art26.pdf
  26. https://www.redalyc.org/pdf/1750/175036979014.pdf
  27. https://www.publish.csiro.au/mf/MF21066
  28. https://trustedfish.co/fish/roosterfish/
  29. https://www.researchgate.net/publication/342067105_Isolation_and_characterization_of_16_novel_microsatellite_loci_in_the_roosterfish_Nematistius_pectoralis_Gill_1862_by_Illumina_sequencing
  30. https://igfa.org/roosterfish-research-program/
  31. https://fishcostarica.com/costarica/roosterfish-and-the-ecosystem-why-healthy-coasts-matter/
  32. https://fishcostarica.com/costarica/the-conservation-story-protecting-costa-ricas-roosterfish/
  33. https://www.spearfishingcaribe.com/mexican-fishing-laws/
  34. https://whc.unesco.org/document/151965
  35. https://easternpacificoceanconference.org/sessions.html
  36. https://pier.org/userdocs/images/files/Ortegar%20Garcia%20Roosterfish%20growth.pdf
  37. https://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=165800
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  39. https://www.kjzz.org/2012-01-10/content-protected-sportfish-face-commerical-pressure-mexico
  40. https://www.tagcabosportfishing.com/best-water-temperature-for-roosterfish/
  41. https://www.howtocatchanyfish.com/roosterfish.html
  42. https://www.yellowdogflyfishing.com/blogs/back-stage-pass/fly-fishing-roosterfish-tactics-flies-gear
  43. https://www.youtube.com/watch?v=fkusHH97NjM
  44. https://www.saltwatersportsman.com/news/top-roosterfish-records/
  45. https://swycanglers.org/2025-mexican-fishing-takes/
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  47. https://www.tagcabosportfishing.com/cabo-san-lucas-how-sportfishing-tournaments-drive-sustainable-prosperity/
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