Results 41 to 50 of about 251 (129)

Condição de Hoplias aff. malabaricus (BLOCH, 1794) EM dois rios costeiros da bacia do Rio Itanhaém/SP

open access: yesBoletim do Instituto de Pesca, 2018
O objetivo deste trabalho foi mensurar a condição de Hoplias aff. malabaricus do rio Aguapeú (águas pretas) e do rio Branco (águas brancas), ambos pertencentes í­Â  bacia hidrográfica do rio Itanhaém, na costa do litoral de São Paulo.
Evandro Bonocchi de SANT'ANNA   +1 more
doaj  

Selection of the age structure, age and growth of relations Hoplias aff. malabaricus (Bloch, 1794) in the southern Rio Grande do Sul, Brazil.

open access: green, 2013
Determining the age of fish through calcified structures composed one of the most important basic information that allow the assessment of fish stocks. This type of study is vital for understanding the population dynamics of the species, especially when ...
Marcos Dinael Schellin Einhardt
core   +3 more sources

Atividade pesqueira e conhecimento etnoictiológico na comunidade de pescadores artesanais de Miguel Alves/PI, Brasil

open access: yesBoletim do Instituto de Pesca, 2018
Por intermédio da pesca, os pescadores exploram o ambiente aquático e estabelecem interações com o ambiente. Objetivou-se caracterizar a atividade pesqueira na comunidade de pescadores artesanais de Miguel Alves/PI, quanto aos apetrechos de pesca ...
Kelly Polyana Pereira SANTOS   +4 more
doaj   +1 more source

Spatial and temporal distribution of larvae and juveniles of Hoplias aff. malabaricus (Characiformes, Erythrinidae) in the Upper Paraná River floodplain, Brazil

open access: yesBrazilian Journal of Biology
Spatial and temporal distribution of larvae and juveniles of trahira, Hoplias aff. malabaricus (Erythrinidae), and their relationship with environmental parameters in the Upper Paraná River floodplain were analyzed. Sampling of larvae and juveniles of H.
A. BIALETZKI   +3 more
doaj   +1 more source

Habitat preferences of common native fishes in a tropical river in Southeastern Brazil

open access: yesNeotropical Ichthyology
We determined in this study the habitat preferences of seven native fish species in a regulated river in Southeastern Brazil. We tested the hypothesis that fishes differ in habitat preference and that they use stretches of the river differing in ...
Marcus Rodrigues da Costa   +3 more
doaj   +1 more source

Feeding and morphological analysis of the digestive tract of four species of fish (Astyanax altiparanae, Parauchenipterus galeatus, Serrasalmus marginatus and Hoplias aff. malabaricus) from the upper Paraná River floodplain, Brazil

open access: yesBrazilian Journal of Biology
The present study is inspired by the great wealth of species exhibited by the ichthiofauna. Not only concepts and techniques of ecology deserve attention, but also knowledge in other biological areas, such as zoology and anatomy, are necessary.
D. Peretti, IF. Andrian
doaj   +1 more source

Ichthyofauna from the Emas National Park region: composition and structure

open access: yesBrazilian Journal of Biology
The relationship between habitats and the ichthyofauna composition in the Parque Nacional das Emas (PNE) and adjacent areas (the Araguaia and Sucuriú rivers) are provided and could be applied in determining the Park's future zoning.
E. Benedito-Cecilio   +5 more
doaj   +1 more source

Alimentação e análise morfológica de quatro espécies de peixes (Astyanax altiparanae, Parauchenipterus galeatus, Serrasalmus marginatus e Hoplias aff. malabaricus) na planície de inundação do alto rio Paraná, Brasil. [PDF]

open access: yes, 2006
The species was set in two trophic guilds - insectivores (Astyanax altiparanae Garutti & Britski, 2000, Parauchenipterus galeatus (Linnaeus, 1766) and piscivores (Serrasalmus marginatus Valenciennes, 1847 and Hoplias aff. malabaricus (Bloch, 1794).
Peretti, Danielle
core  

ICTIOFAUNA DA FOZ DO RIO MAQUINÉ, TERRA DE AREIA, RIO GRANDE DO SUL, BRASIL

open access: yesPesquisa Agropecuária Gaúcha, 1998
O presente estudo foi realizado nos anos de 1984 e 1985, na foz do rio Maquiné junto a lagoa dos Quadros. Foram realizadas, 10 amostragens e coletados 6422 exemplares de peixes com rede de espera e rede picaré.
LUCIA BEATRIZ LOPES FERREIRA MARDINI   +1 more
doaj  

Food resources used by three species of fish in the semi-arid region of Brazil

open access: yesNeotropical Ichthyology
Temporary and semi-permanent aquatic habitats in semi-arid Brazil have been reported as important sites supporting a diverse fish fauna. As such, they must be able to trophically sustain fish species that feed at different trophic levels. This study aims
Márcio J. da Silva   +3 more
doaj   +1 more source

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