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| Igua Temporal range: Late Cretaceous
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|---|---|
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Scientific classification 
| |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Reptilia |
| Order: | Squamata |
| Suborder: | Iguania |
| Clade: | †Gobiguania |
| Genus: | †Igua Borsuk-Białynicka and Alifanov, 1991 |
| Type species | |
| †Igua minuta Borsuk-Białynicka and Alifanov, 1991
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Igua is an extinct genus of iguanian lizards belonging to a group called Gobiguania that was endemic to the Gobi Desert during the Late Cretaceous. The type species Igua minuta was named in 1991 on the basis of a skull from the Barun Goyot Formation in Mongolia. The skull itself is very small, only 14 millimetres (0.55 in) long, and may have belonged to a juvenile given that it possesses a large fontanelle and that many of the bones are unfused. The snout-vent length of the individual (the total body length minus the tail) is estimated to have been 55 to 65 millimetres (2.2 to 2.6 in). Igua differs from related gobiguanians like Polrussia in having a more rounded skull. It is similar in appearance to the living genera Liolaemus and Tropidurus. The teeth are tricuspid and pleurodont, meaning they are attached to inner surfaces of the jaws.[1]
Below is a cladogram from Daza et al. (2012) showing the phylogenetic relationships of Igua:[2]
References
[edit]
- ^ Borsuk-Białynicka, M.; Alifanov, V.R. "First Asiatic 'iguanid' lizards in the Late Cretaceous of Mongolia". Acta Palaeontologica Polonica. 36 (3): 325–342.
- ^ Daza, J. D.; Abdala, V.; Arias, J. S.; García-López, D.; Ortiz, P. (2012). "Cladistic Analysis of Iguania and a Fossil Lizard from the Late Pliocene of Northwestern Argentina". Journal of Herpetology. 46: 104–119. doi:10.1670/10-112. hdl:11336/61054. S2CID 85405843.
 | This article about a prehistoric lizard is a stub. You can help Wikipedia by expanding it. |
from Grokipedia
History
Origins and founding
The region now occupied by the municipality of Iguaí was originally inhabited by indigenous peoples, a fact commemorated in the town's name, which was chosen in homage to the indigenous inhabitants of the area.[2] The settlement that developed into Iguaí was founded by Major Fulgêncio Teixeira, who arrived with his family and colonists from his native region to establish the povoado. Initially, the community was known as Comercinho do Major Fulgêncio, in recognition of his role as pioneer, principal organizer, and administrator of the settlement.[3][4][2] The povoado later became known as Lavrinhas, owing to the fact that most of its population originated from Lavras.[5] On March 15, 1932, the state decree nº 8.021 created the district of Iguaí, with its seat in the existing arraial bearing that name, marking the formal administrative recognition of the settlement in the early 20th century.[2][4]Emancipation and 20th century
The municipality of Iguaí was formally emancipated on December 12, 1952, through Bahia State Law No. 513, which dismembered its territory from the municipality of Poções and elevated the existing village to city status, thereby creating the new municipality.[6] Anatálio Schettini was appointed as the first mayor to organize the initial municipal administration and infrastructure following the emancipation.[6] Subsequently, Carlos Ribeiro Freire, previously a councilor in Poções, became the first mayor elected in free elections, marking the transition to democratic local governance.[2][6] In the decades following emancipation, Iguaí consolidated its administrative structure as a small inland municipality in southwestern Bahia, with limited documentation of major events beyond the establishment of local government and continued reliance on agriculture in the Atlantic Forest region.[6]Contemporary period
The contemporary period in Iguaí has been marked by demographic shifts and continued reliance on agriculture amid broader regional trends in Bahia's interior. The 2022 Censo Demográfico conducted by the IBGE recorded a population of 21,491 inhabitants in the municipality, reflecting a decline relative to the 2010 census count of 25,705 (approximately 16.4%).[1] This reduction aligns with patterns of rural exodus observed in many small municipalities of northeastern Brazil, where younger residents often migrate to urban centers seeking employment and services.[1] The local economy remains predominantly agricultural, with livestock and crop production as key activities within the Atlantic Forest biome. Official municipal documents highlight the region's hydrological resources and its inclusion in the Caminhos do Sudoeste tourism circuit, suggesting potential for eco-tourism and related development initiatives.[7] Infrastructure improvements and administrative continuity have supported these activities, though the municipality faces typical challenges of small inland Bahia towns, including sustaining population levels and expanding economic diversification.Geography
Location and borders
Iguaí is a municipality in the southwestern region of Bahia, Brazil, situated at approximately 14°45′S 40°04′W.[8] The municipality has a territorial area of approximately 860 km², with an average elevation of around 283 meters above sea level.[8] It borders several neighboring municipalities: to the north Itagi, to the east Jitaúna and Itaquara, to the south Nova Canaã and Potiraguá, and to the west Caetanos.[8] Iguaí is located roughly 570 km from Salvador, the state capital, and about 140 km from Vitória da Conquista, a major regional center in southern Bahia.[8]Topography and hydrography
Iguaí lies in a region of moderately undulating topography within the Mata Atlântica biome of southwestern Bahia. The relief is characterized by the presence of serras (mountain ranges) and portions of the Maciço Central, forming a landscape of hills, valleys, and plateaus. The municipal seat is situated at an altitude of 352 meters above sea level.[9] The hydrography of Iguaí consists of a network of permanent and intermittent rivers and streams. Certain areas within the municipality are subject to inundation, particularly in lower-lying valleys and along watercourses.[10]Climate
Iguaí has a tropical savanna climate (Köppen classification Aw), characterized by a distinct wet season during the Southern Hemisphere summer and a pronounced dry season in winter. The average annual temperature hovers around 23 °C, with monthly averages ranging from about 21 °C in the cooler months (June to August) to 25 °C in the warmer months (December to February). Daily temperatures typically fluctuate little year-round due to the municipality's location in the interior of Bahia, away from coastal moderating influences. Annual precipitation averages approximately 1,000 mm, concentrated primarily between November and April, when monthly rainfall often exceeds 150 mm in peak months such as December and January. The dry season spans May to October, with monthly rainfall frequently dropping below 30 mm in the driest period (July to August). This seasonal distribution supports the region's agriculture and the presence of Atlantic Forest remnants.[11]Demographics
Population and growth
Iguaí had a population of 21,491 inhabitants according to the 2022 Brazilian Census conducted by the IBGE.[1] This represented a notable decline from the 2010 Census figure of 25,724 inhabitants, equivalent to a reduction of about 16.5% over the twelve-year inter-censal period.[12] The population density stood at 24.98 inhabitants per square kilometer in 2022.[1] In the 2010 Census, the population was distributed between urban and rural areas, with 14,608 residents (approximately 57%) living in urban zones and 11,116 residents (approximately 43%) in rural zones.[12] This distribution highlighted a predominantly rural character in parts of the municipality despite the presence of an urban center. The overall trend indicates negative population growth in recent decades, consistent with broader patterns observed in many small inland municipalities in northeastern Brazil. IBGE estimates show a slight recovery to 21,763 inhabitants as of the 2025 reference date.[1] Detailed data on recent migration patterns, age structure, or sex distribution are limited in available sources, but the decline from 2010 to 2022 suggests net out-migration as a contributing factor to the demographic contraction.Ethnic composition and ancestry
The population of Iguaí exhibits a mixed ethnic composition typical of Bahia's interior municipalities, shaped by centuries of Portuguese colonization, African slavery, and indigenous presence in the Mata Atlântica biome. The population reflects multigenerational mixing of European (primarily Portuguese), African, and indigenous ancestries, with historical patterns of colonization and agricultural labor contributing to this diversity. Portuguese settlers established early settlements, while African descendants reflect the legacy of slavery on farms and plantations, and indigenous groups integrated through intermarriage in some cases. White residents are mainly of Portuguese descent, black residents trace ancestry to African populations brought during the colonial era, and indigenous identification remains small, consistent with much of Bahia's southwestern interior where native groups were heavily impacted by colonization and urbanization.Religion
The population of Iguaí is predominantly Christian, with Roman Catholicism as the main denomination, while Evangelical Protestantism has been growing in adherence, consistent with broader trends observed in the state of Bahia and many interior municipalities. The municipality features Catholic parishes and Evangelical churches that contribute to community life. According to IBGE data from Censo 2022 for the state of Bahia, approximately 60% of the population aged 10 years or more identified as Catholic, with the proportions of Evangelicals (approximately 23%) and those declaring no religion increasing compared to previous censuses.[13][14] Specific religion percentages for Iguaí municipality from the most recent census (Censo 2022) are available via official IBGE sources.[15]Economy
Agriculture and livestock
Agriculture is the backbone of Iguaí's economy, characterized predominantly by family farming in the Mata Atlântica biome. Smallholder farmers engage in mixed systems combining crop cultivation and livestock rearing, often on modest plots supported by municipal technical assistance programs.[16] The main crops include cassava (mandioca), with municipal initiatives providing manivas (cuttings) and guidance on soil preparation, planting, and crop management to boost family production.[16] Other notable crops encompass cocoa (cacau) and coffee (café), suited to the region's climate and terrain, alongside tropical fruits.[17] Livestock focuses heavily on dairy cattle (pecuária leiteira), with local producers emphasizing milk production alongside sustainable practices such as utilizing animal waste for fertilization and energy. Representative examples include family-run operations integrating dairy with cocoa cultivation.[18][19] Municipal efforts reinforce these activities through the Secretaria de Agricultura, including distribution of fish fingerlings (alevinos) for aquaculture and mutirões (collective work events) for family farmers.[20][21]Commerce, services, and industry
In Iguaí, the commerce and services sector dominates the non-agricultural economy, reflecting the typical structure of small inland municipalities in Bahia where urban activities support a predominantly rural population. Commerce primarily consists of retail trade, with local stores, supermarkets, pharmacies, and small businesses providing essential goods and services to residents and nearby rural communities. These activities are concentrated in the town center, serving as a hub for daily needs and agricultural supply purchases. The services sector includes public administration, education, health, and personal services, with public employment contributing significantly to local economic activity. According to available data, public administration accounts for 43.9% of the gross value added in the municipality.[22] Industry remains small-scale and limited in scope, focusing on manufacturing tied to local resources and needs. Key examples include furniture production, such as by Mattus Móveis Planejados, and dairy processing, represented by Laticínio Serra do Ouro.[23] In recent years, efforts to attract investment have included the footwear sector, with the company DASS Nordeste Calçados e Artigos announcing plans in 2021 to establish operations in Iguaí, aiming to generate 300 direct jobs and invest up to R$ 6 million.[24] Overall, these sectors provide employment and economic diversity, though they remain modest in scale compared to larger urban centers in the region.Economic indicators
Iguaí's economy is modest in scale, as is typical for small inland municipalities in Bahia's southwestern region. The gross domestic product (PIB) reached R$ 340.8 million in 2021, corresponding to a per capita value of R$ 13,091.[8] The municipality's Human Development Index (IDH-M) stood at 0.618 in 2010, placing it in the medium development category according to the United Nations Development Programme's classification. This figure reflects combined performance in longevity, education, and income dimensions. According to 2010 data from the cited source, approximately 40% of the population lived below the poverty line, with income inequality measured by a Gini coefficient around 0.52, consistent with rural Bahia averages. Employment data indicate an activity rate of about 55% for the working-age population, with formal employment remaining limited in this agricultural-dependent context.[8] These indicators underscore Iguaí's position as a developing locality within the state's socioeconomic landscape, with ongoing reliance on primary sector activities. Note that social indicators are based on 2010 data; more recent municipal-level figures may be limited or available from other IBGE sources.Government and politics
Municipal administration
The municipal administration of Iguaí follows the standard structure for Brazilian municipalities, divided into executive and legislative branches as defined by the Brazilian Constitution and municipal organic law. The executive branch is headed by the prefeito, who serves as the chief executive officer responsible for implementing policies, managing municipal services such as public works, education, health, and agriculture support, and representing the municipality. The current prefeito is Dr Davi, affiliated with the Avante party, who was elected in the first round of the October 2024 municipal elections with 56.34% of the valid votes, defeating his main opponent who received 42.33%.[25][26] Dr Davi assumed office on January 1, 2025, for a four-year term ending in 2028.[27] The legislative branch is exercised by the Câmara Municipal de Iguaí, composed of vereadores elected proportionally by the population every four years, aligned with the municipal electoral cycle. The chamber's primary functions include proposing and approving municipal laws, the annual budget, taxation policies, authorizing expenditures and loans, and exercising fiscal oversight of the executive branch through committees and sessions. The vereadores represent the interests of the population in areas such as urban planning, environmental protection in the Atlantic Forest biome, and local economic development. Iguaí is administratively divided into the municipal seat (headquarters) and districts, including Iguaibi as one of the recognized districts.[28] These districts have localized administrative support for rural and peripheral areas, facilitating service delivery in agriculture-dependent regions. The official municipal government operates through the Prefeitura Municipal de Iguaí, accessible via its portal for transparency, services, and official communications.[29]Symbols and heraldry
The municipality of Iguaí has official symbols consisting of a flag and a coat of arms, as recorded in collections of Brazilian municipal heraldry.[30] The flag of Iguaí serves as the official municipal banner and is documented in public repositories.[31][32] No detailed descriptions of the flag's design elements, colors, symbolism, adoption date, or related municipal legislation were found in the retrieved sources. Similarly, information on the coat of arms' components, meaning, or enactment, as well as any official anthem, is not available from the searched authoritative references.Political representation
Iguaí's municipal political representation is centered on the directly elected mayor and the Câmara Municipal de Vereadores, with elections held every four years under Brazil's proportional and majoritarian systems. In the 2024 municipal elections, Dr Davi of the AVANTE party was elected mayor in the first round, securing 56.34% of the valid votes (7,861 votes). His main opponent, Dr Péricles, received 42.33% of valid votes.[25][33][34] The Câmara Municipal's vereadores were also elected in 2024, with representation distributed among multiple parties. PSD secured 3 seats, while other parties including PT (with elected councilors such as Lucy do MST) also gained representation.[34][35] At the state and federal levels, Iguaí participates in Bahia's statewide constituencies, with its voters contributing to the election of Bahia's federal deputies, senators, and state deputies, though no single representative is exclusively assigned to the municipality. Dominant local political dynamics have featured parties such as AVANTE in recent executive leadership.Culture
Festivals and traditions
Iguaí celebrates a range of festivals and traditions rooted in Catholic religious practices and regional popular culture, typical of Bahia's interior municipalities. The most prominent event is the Festa de São Pedro, honoring the municipality's patron saint, São Pedro. Held annually around June 29, the celebration includes religious masses, processions through the streets, and community festivities featuring live music, traditional foods, and social gatherings. Festas Juninas in June are widely observed, with events honoring Santo Antônio, São João, and São Pedro. These festivals feature bonfires (fogueiras), quadrilha dances, flag decorations, and typical dishes such as canjica, pamonha, milho cozido, and quentão. Throughout the year, other religious celebrations, including Holy Week (Semana Santa) processions and local saint days, contribute to the cultural calendar, often involving novenas, community meals, and folklore elements preserved by residents. These events strengthen social ties and maintain the municipality's cultural heritage within the Mata Atlântica region.Notable people
Iguaí has produced several individuals who have gained recognition in science, public administration, and the arts. Wanderley de Souza, a distinguished Brazilian biomedical scientist specializing in parasitology and cell biology, was born in Iguaí. He moved to Rio de Janeiro at age 17 to study medicine at the Federal University of Rio de Janeiro (UFRJ), where he later developed a career marked by contributions to understanding parasite-host interactions and cellular mechanisms of infectious diseases. In 2023, he received the Prêmio CBMM de Ciência e Tecnologia for his lifetime achievements in science.[36][37] Filemon Matos, born in Iguaí on January 24, 1944, had a long career in public finance oversight as a counselor (conselheiro) at the Tribunal de Contas do Estado da Bahia (TCE-BA), where he was later honored as decano (senior member) of the court.[38] Other natives include Sérgio Matos, a fashion stylist born in Iguaí who built a career in Rio de Janeiro and became known for styling celebrities such as Cauã Reymond and Daniella Cicarelli.[39] Alisson Menezes, a singer, composer, and instrumentalist born in Iguaí and later based in Vitória da Conquista, is recognized for his contributions to regional music.[40]Infrastructure
Transportation
Transportation in Iguaí is primarily road-based, given its inland location in southwestern Bahia. The main access route is the BA-262 state highway, which passes through the municipality and connects it to neighboring areas including Poções, Nova Canaã, and Ibicuí.[41] The BA-262 has been the focus of several state government improvement projects to enhance connectivity and road conditions. In 2017, recovery works were authorized for a 57.6 km stretch including Iguaí, Poções, and Nova Canaã, with investments exceeding R$27 million.[41] Iguaí features a bus station (rodoviária) located along the BA-262, which serves as a hub for intercity and interstate bus services connecting the municipality to other regions in Bahia and beyond.[42][43]Education
Iguaí offers basic education through a system of public municipal and state schools, serving the local population with primary and secondary levels. Higher education access is primarily provided through distance learning (EAD) programs, with several private institutions maintaining support poles or offering courses in the municipality. Notable examples include the UniCesumar polo in Iguaí, which delivers EAD courses from a recognized institution rated highly by the Ministry of Education.[44] Other institutions available include Cruzeiro do Sul Virtual, Universidade Norte do Paraná (Unopar), ETEP EAD, Faculdade São Marcos, Ceted, and Instituto Focar, among others listed as options for residents.[45][46][47] These options allow local students to pursue undergraduate and other programs without needing to relocate to larger cities.Health care
The health care system in Iguaí is integrated into Brazil's public Sistema Único de Saúde (SUS), with primary care managed by the municipal government and medium-complexity services supported by state-level partnerships. The main facility is the Hospital Manoel Martins de Souza, a key provider of health services since its founding in 1966, offering urgency and emergency care, routine consultations, and general surgeries.[48][49] In March 2017, the Bahia State Health Secretariat (Sesab) signed a contract to reopen and enhance operations at Hospital Manoel Martins de Souza, expanding medium-complexity care in the region with 24 beds allocated to specialties including clinical medicine, general surgery, pediatrics, and obstetrics.[50] In February 2018, Sesab announced an allocation of R$ 2.2 million to support health services in Iguaí and surrounding areas, further strengthening the hospital's capacity for inpatient and outpatient care.[51] Primary health care is delivered through a network of public facilities managed by the municipality, including the Centro de Saúde Manoel Novais and various health posts (such as in the Palmeira district), along with Unidades Básicas de Saúde (UBS) that provide preventive services, vaccinations, and basic consultations. The municipality's health fund (Fundo Municipal de Saúde) oversees these public resources.[52][53] Private and philanthropic establishments supplement services, including the SOMAI (Sociedade Médica Assistencial de Iguaí) and other clinics offering additional specialized care.[52][54] Detailed and current health indicators (such as vaccination coverage, infant mortality, or life expectancy) are available through official databases like DATASUS (Cadastro Nacional de Estabelecimentos de Saúde - CNES).[52]Utilities and services
In Iguaí, utilities and services encompass water supply, sanitation, electricity, and telecommunications, with varying levels of coverage typical of smaller inland municipalities in Bahia. Water supply reaches 56.7% of the population, which is below the state average of 80.8% and the national average of 83.1%. Approximately 9,396 inhabitants lack access to treated water.[55] Sanitation services, particularly sewage collection and treatment, are limited. Only 7.6% of the population is served by esgotamento sanitário, compared to 41.4% statewide and 59.7% nationally. Sewage from about 20,062 inhabitants is not collected. Earlier assessments indicated around 10% coverage in the municipal seat.[55][56] Electricity is supplied by Neoenergia Coelba, the primary distributor in Bahia, with local presence in the municipality.[57][58] Telecommunications include mobile and fixed broadband services from national operators like Claro and Oi, as well as local fiber-optic providers such as A-HA NET and MVFNET, alongside satellite options like HughesNet for areas with limited terrestrial coverage.[59][60][61][62]References
- https://commons.wikimedia.org/wiki/File:Bandeira_igua%C3%AD.png
- https://commons.wikimedia.org/wiki/File:Bandeira_de_igua%C3%AD.jpg