Taxocenose de bagres marinhos (Siluriformes, Ariidae) da região estuarina de São Vicente, SP, Brasil

Martins, Itamar Alves; Reigada, Álvaro Luiz Diogo; Dias, June Ferraz

doi:10.1590/s1676-06032008000400006

Cited by 27 publications

(45 citation statements)

References 15 publications

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“…Ribeiro Neto (1993) observed in the Santos and São Vicente bay-estuary complex, that of the three species studied here, G. barbus seemed to be more abundant off the beaches, and G. genidens and A. luniscutis in more-structured environments (biogenic bottoms and parcels). Schmidt et al (2008) observed a possible preference of the three species for more-protected estuarine environments. Azevedo et al (1999) suggested that spatial-separation strategies could explain the coexistence of marine catfishes in Sepetiba Bay.…”

Section: Discussionmentioning

confidence: 88%

“…According to Mishima & Tanji (1982), G. genidens and A. luniscutis always live in brackish water, while G. barbus is a migratory species that leaves the estuary when it reaches about 20 mm and returns to it as an adult for spawning. Schmidt et al (2008), on the other hand, found that G. genidens and A. luniscutis were constant in the inner region of the São Vicente estuary, where they occur in the juvenile pre-maturation phase, and do not reproduce there.…”

Section: Discussionmentioning

confidence: 94%

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Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil

et al. 2012

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Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil. Biota Neotrop. 12(4): http://www.biotaneotropica.org.br/v12n4/en/abstract?article+bn01912042012Abstract: This study evaluated the spatio-temporal distribution, reproduction and diet of the catfishes Genidens genidens, G. barbus and Aspistor luniscutis in Caraguatatuba Bay. Their sizes were recorded and the sex and reproductive stage identified. The abundance was compared between areas (South and North) and among months (August 2003 -October 2004. The species had different spatial distributions, allowing them to coexist. The temporal distribution reflected their tendencies to migrate in the reproductive period, as evidenced by the dominance of small immature individuals in the bay. G. genidens tended to reproduce in winter, and A. luniscutis in spring. The diet of G. genidens consisted of crustaceans, mollusks (shells), fish scales, ostracods, and bivalve siphons. G. barbus consumed a high proportion of mysids, followed by fish (bones and scales). For A. luniscutis, the diet was based on fish scales and crustaceans. High quantities of particulate organic matter were observed in the diet of all three species, as previously known for estuarine catfishes. The consumption of fish scales may reflect a lepidophagic habit. A small overlap was observed among the diets, reflecting differences in their environments as well as in the proportions of each item ingested. A distribuição temporal reflete sua tendência por migrar no períoo reprodutivo, evidenciado pela dominância de indivíduos pequenos e imaturos na enseada. Houve uma tendência de G. genidens reproduzir no inverno e A. luniscutis na primavera. G. genidens teve sua dieta constituida de crustáceos, moluscos (conchas), escamas de peixes, ostrácodes e sifões de bivalves. G. barbus revelou uma grande dominância por misidáceos, seguido por peixes (ossos e escamas). Para A. luniscutis, a dieta foi baseada em escamas de peixes e crustáceos. Grande quantidade de material orgânico particulado foi observado na dieta das espécies, como já conhecido para bagres estuarinos. O consumo de escamas de peixes pode refletir um hábito lepdofágico. Pequena sobreposição na dieta foi observada entre as espécies, refletindo distinções no ambiente como também nas proporções ingeridas de cada item. Palavras-chave: distribuição espaço-temporal, dieta, Genidens genidens, Genidens barbus, Aspistor luniscutis, Enseada de Caraguatatuba. 75Life history of three catfish

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 94%

Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil

et al. 2012

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“…In this study, Ariidae was represented by four species, and C. spixii was the most abundant. This is a similar pattern of other estuarine regions in the Brazilian coast (ARAÚJO et al, 1998;AZEVEDO et al, 1999;SCHWARZ JR. et al, 2006;SCHWARZ, JR. et al, 2007;CARVALHO-NETO;CASTRO, 2008;SCHMIDT et al, 2008), as in other tropical regions, such as Mexico (RUEDA; DEFEO, 2003).…”

Section: Discussionmentioning

confidence: 99%

Ichthyofauna as an environmental quality indicator of the Bertioga Channel, São Paulo (Brazil)

et al. 2017

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Ichthyofauna as an environmental quality indicator of the Bertioga Channel, São Paulo (Brazil)The aim of this study was to investigate the ichthyofauna structure in the region of the north outfall of the Bertioga Channel (São Paulo, Brazil) and the possible effects of the environmental quality loss. The samples were collected in a monthly basis, from September to December 2005, at two oceanographic stations with an otter-trawl. The fish fauna structure was evaluated by ecological indicators and the environmental quality evaluated by the ABC analysis and the Estuarine Fish Communities Index (EFCI). A total of 1553 individuals from 50 species were sampled. Ariidae and Sciaenidae amounted to 60 % and Cathorops spixii represented 36 % of all specimens collected. The highest richness and ecological diversity were recorded in December, while the highest numerical abundance was found in October. The majority of the species were represented by juveniles. The cluster analysis and canonical correspondence analysis showed a consistent and clear difference between the sampling stations, and the abiotic factors analyzed (temperature, depth and salinity) do not seem to have influence on the community structure. The ABC analysis suggested a moderate disturbed environment and the EFCI allowed classifying the area as "poor", due to the 12 metrics analyzed, concerning the reduction of the species diversity, composition and abundance, and modifications in the nursery function and trophic integrity of the area.

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“…Esse fato pode estar relacionado ao comportamento migratório da espécie que vive em mar aberto adjacente, portanto, áreas de salinidade mais alta, migrando para as águas estuarinas na época da desova (Pinheiro- Sousa et al, 2015). Conseqüentemente, os bagres pequenos permanecem até atingir determinado tamanho na área de desova, para depois se deslocarem para a região costeira (Schmidt et al, 2008).…”

Section: Resultsunclassified

“…Os indivíduos desta espécie apresentam baixa regularidade ao longo do ano e os adultos dessa espécie vivem como migrantes, completando o seu ciclo de vida em ambientes variados (Carvalho-Neta & Castro, 2008;Schmidt et al, 2008;Absolon & Andreata, 2009;Carvalho-Neta et al, 2011;Pinheiro-Sousa et al, 2015).…”

Section: Introductionunclassified

Biologia reprodutiva do Bagre bagre capturado pela pescaria de zangaria

Veras

Almeida

2016

Agraria

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RESUMONeste estudo, objetivou-se analisar a biologia reprodutiva do Bagre bagre proveniente da pescaria de zangaria, na Ilha de Peru, Reserva Extrativista de Cururupu-MA, Brasil. O Bagre bagre, segunda espécie de peixe mais abundante nessa pescaria (16,82%), teve a biologia reprodutiva estudada ao longo de um ano (setembro/2014 a agosto/2015), com coletas mensais em duas zangarias na RESEX de Cururupu. Foi coletado um total de 320 espécimes de Bagre bagre. Desse total, 170 eram fêmeas e 150 machos. O tamanho das fêmeas variou entre 13 e 55 cm, enquanto que o tamanho dos machos variou entre 14,8 e 38 cm. O tamanho de primeira maturidade calculado foi de 15,9 cm para as fêmeas e 21,2 cm para os machos. Levando-se em conta a frequência dos estágios maturacionais e a relação gonadossomática, foi possível constatar que o período reprodutivo da espécie foi entre os meses de dezembro e março. Palavras-chave: fauna acompanhante, período reprodutivo, primeira maturidade Reproductive biology of Bagre bagre captured by zangaria fishery ABSTRACTIn this study we aimed to analyze the reproductive biology of Bagre bagre from zangaria fishery in Peru island, Reserva Extrativista de Cururupu, Maranhão, Brazil. The Bagre bagre, is second species of fish most abundant in this fishery (16.82%), had its reproductive biology studied for over a year (September/2014 to August/2015, with monthly collections in two types the zangarias. A total of 320 specimens of Bagre bagre was captured. Overall, 170 were females and 150 males. The size of the females it ranged between 13 and 55 cm, while the size of the males sit ranged between 14.8 and 38 cm. The first maturity calculated size was 15.9 cm for females and 21.2 cm for males. Analyzing the frequency of maturation stages and gonadosomatic relationship, it we found that the reproductive period of the species was between the months of December and March.

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Taxocenose de bagres marinhos (Siluriformes, Ariidae) da região estuarina de São Vicente, SP, Brasil

Cited by 27 publications

References 15 publications

Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil

Life history of three catfish species (Siluriformes: Ariidae) from southeastern Brazil

Ichthyofauna as an environmental quality indicator of the Bertioga Channel, São Paulo (Brazil)

Biologia reprodutiva do Bagre bagre capturado pela pescaria de zangaria

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