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Environmental influences on distribution of four Sciaenidae species (Actinopterygii, Perciformes) in a tropical bay at Southeastern Brazil
Spatial separation seems to be the strategy developed to coexist in the Sepetiba Bay, with M. furnieri being more adapted to copy with harsh environmental conditions of the inner bay, and the other three species, which use mostly the outer bay zone, seem to be restricted to more stable conditions, where influences from oceanic waters are more intense.
Habitat preferences of common native fishes in a tropical river in Southeastern Brazil
Determinamos neste estudo a preferencia de habitat of sete especies de peixes abundantes em um rio regulado do Sudeste do Brasil que apresentam diferenciacao na prefereNCia por variaveis do habitat, corroborando a hipotese investigada.
Distribution and size of the mojarra Diapterus rhombeus (Cuvier) (Actinopterygii, Gerreidae) in a Southeastern Brazilian bay
Distinct size classes occupying different bay zones suggest that the age-groups optimize their coexistence by partitioning the available resources, avoiding intra-specific competition.
Fish assemblage structure on sandy beaches with different anthropogenic influences and proximity of spawning grounds
The high fish richness and abundance and the more conspicuous species turnover across seasons on the insular beach are probable indications of more complex and dynamic organization of the communities favored by better geographical position and less anthropogenic disturbance in the area.
The use of the Guaratiba magrove, Sepetiba Bay, Rio de Janeiro, by the silverside Atherinella brasiliensis (Quoy & Gaimard) (Atheriniformes, Atherinopsidae)
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.
Age and growth of the white croaker Micropogonias furnieri (Perciformes: Sciaenidae) in a coastal area of Southeastern Brazilian Bight
The aim was update information on the Micropogonias furnieri growth parameters based on sagittae otoliths annulis readings, and it was expected that the studied population from Southeast Brazil can reach more longevity than the reported in the available literature.
Length-weight relationship and condition factor of Micropogonias furnieri (Desmarest) (Perciformes, Sciaenidae) in the Sepetiba Bay, Rio de Janeiro State, Brazil
Spatially, the best condition was observed in the inner bay zone, where most fish were young-of-the-year, and in the outer zone where predominate larger sized fish, indicating that individuals of intermediary size could be allocating large amount of energy for growth, presenting, consequently, lowest condition.
To what extent are the fish compositions of a regulated river related to physico-chemical variables and habitat structure?
- Taylan M. Mattos, M. R. Costa, B. Pinto, J. L. C. Borges, F. G. Araújo
- Environmental ScienceEnvironmental Biology of Fishes
- 1 June 2014
Habitat structure and physico-chemical variables determine distribution of fish species at local scale. We aimed to determine influences of physico-chemical variables and habitat descriptors on fish…
Relationships between fish and otolith dimensions of Pomatomus saltatrix (Linnaeus, 1766) (Perciformes: Pomatomidae) in southeastern Brazil
Results showed that such relationships are helpful tools for predicting the fish size and weight from otoliths, which may be used in food habits and paleontology studies, and other fisheries management applications.
Length-weight relationship of Orthopristis ruber (Cuvier) (Teleostei, Haemulidae) in the Sepetiba Bay, Rio de Janeiro, Brazil
Os altos valores para o coeficiente alometrico indicam alto investimento no crescimento, que pode ser devido ao pequeno tamanho relativo dos especimes da populacao analisada, ou ser um mecanismo para suportar as condicoes de estresse nesta area.