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Adaptação do índice de integridade biótica usando a comunidade de peixes para o rio Paraíba do Sul
TLDR
Water quality was classified between poor and fair and an improvement in IBI was detected between the high pollution Barra Mansa site and the least polluted Barra do Pirai site, although no significant difference was shown.
Dieta do tucunaré-amarelo Cichla monoculus (Bloch & Schneider) (Osteichthyes, Cichlidae), no Reservatório de Lajes, Rio de Janeiro, Brasil
TLDR
The diet of Cichla monoculus in Lajes's Reservoir, a major impoundment in Rio de Janeiro State, Brazil, was assessed, from fishes collected in 1994, 1996 and 1999/2000, showing a strong piscivorous habits feeding on Cichlidae, Characidae and Pimelodidae, in decreasing order of importance.
Estrutura da comunidade de peixes demersais da baía de Sepetiba, RJ
TLDR
O elevado numero de especies de peixes sugere o importante papel da Baia de Sepetiba como area de criacao e desenvolvimento para a comunidade de pexes.
Efeito do grau de exposição às ondas sobre a comunidade de peixes juvenis em praias arenosas do Município do Rio de Janeiro, Brasil
TLDR
The wave exposure degree was confirmed as a primary factor influencing the fish community structure, with sheltered sites probably associated to higher plankton availability, lesser turbulence and more substrate stability.
Uso do manguezal de Guaratiba, Baía de Sepetiba, Rio de Janeiro, pelo peixe-rei Atherinella brasiliensis (Quoy & Gaimard) (Atheriniformes, Atherinopsidae)
TLDR
The affinity for highly structured habitats in mangrove and the capacity to use efficiently semi-closed systems was confirmed for A. brasiliensis in Guaratiba mangroves.
Variação espacial e temporal de bagres marinhos (Siluriformes, Ariidae) na Baía de Sepetiba, Rio de Janeiro
TLDR
Strategies of spatial separation may be explaining the coexistence of marine catfish in high abundance in the Sepetiba Bay, which is used as fish rearing area mainly due to the low depths and transparencies, favorable conditions to their early life cycle development.
Distribuição, abundância relativa e movimentos sazonais de bagres marinhos (Siluriformes, Ariidae) no estuário da Lagoa dos Patos (RS), Brasil
Three ariid fish, Netuma barba, Netuma planifrons and Genidens genidens, use the estuary of the Patos Lagoon (32oS), Rio Grande do Sul, Brazil, as a nursery and feeding ground in various stages of
O tamanho de primeira maturação como parâmetro para estabelecimento de tamanho mínimo de captura para corvina no sudeste do Brasil
TLDR
Whether reproductive tactics developed by Ubatuba populations are consistent with the available information and to evaluate their suitability to support measures of protection ofMicropogonias furnieri is evaluated.
Histologia e caracterização histoquímica do tubo gastrintestinal de Pimelodus maculatus (Pimelodidae, Siluriformes) no reservatório de Funil, Rio de Janeiro, Brasil
TLDR
The eutrophic environment of Funil reservoir did not seem to influence morphologic patterns of the structures (oesophagus, stomach and intestine) and no modification was observed in the mucous cells activity.
Diversidade das assembléias de peixes nas quatro unidades geográficas do rio Paraíba do Sul
TLDR
Diferenciacoes na fisiografia ao longo da extensao longitudinal da bacia nao coincidiram com mudancas nas assembleias de peixes, sugerindo that fatores associados a alteracoes de habitats poderiam estar estruturando a comunidade of peixe a nivel local.
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