Results 21 to 30 of about 92 (70)

Fresh vs. Preserved Specimens: Length‐Weight Relationships of Fishes from the Western Amazon (Napo Basin, Ecuador)

open access: yesJournal of Applied Ichthyology, Volume 2024, Issue 1, 2024.
Length‐weight relationship (LWR) studies are important for fish taxonomical analysis, ecological assessments, management, and conservation practices. Although LWR studies can use measurements of either fresh or preserved specimens, few studies have directly compared these methods. This study analyzed the effect of preservation on LWR of ten small‐sized
Karla S. Barragán   +5 more
wiley   +1 more source

Fish larvae assemblages in two floodplain lakes with different degrees of connection to the Paraná River, Brazil

open access: yesNeotropical Ichthyology
The objective of this study was to assess the abundance, attributes of assemblages, and spatial and temporal distributions of fish larvae and their relationships with some abiotic variables in two floodplain lakes with different degrees of connection to ...
Vanessa Salete Daga   +7 more
doaj   +1 more source

Moenkhausia intermedia

open access: yes, 2010
Published as part of Mirande, Juan Marcos, 2010, Phylogeny of the family Characidae (Teleostei: Characiformes): from characters to taxonomy, pp. 385-568 in Neotropical Ichthyology 8 (3) on page 507, DOI: 10.1590/S1679-62252010000300001, http://zenodo.org/record ...
openaire   +2 more sources

Recursos alimentares utilizados pelos peixes e estrutura trófica de quatro trechos no reservatório Capivara (Rio Paranapanema) [PDF]

open access: yes, 2011
Foi avaliada a dieta das principais espécies de peixes e a estrutura trófica de três trechos no reservatório de Capivara, no Rio Paranapanema, localizados em Porecatu, Cruzália e Cinzas e de um trecho que sofre sua influência, no Rio Tibagi.
Capra,Luiz Gustavo   +5 more
core   +1 more source

Fish feeding: a proposal for analysis of the stomach content [PDF]

open access: yes, 2006
Este estudo teve o objetivo de testar um protocolo simplificado para análise da alimentação de peixes. Para tal, os itens alimentares encontrados nos conteúdos gástricos de seis espécies de peixes de água doce (Astyanax paranae, Phalloceros ...
Oliveira, Deise Cristiane de   +6 more
core   +1 more source

Food resource used by small-sized fish in macrophyte patches in ponds of the upper Paraná river floodplain = Uso do alimento por peixes de pequeno porte associados às macrófitas aquáticas em lagoas da planície de inundação do alto rio Paraná

open access: yesActa Scientiarum: Biological Sciences, 2009
This study analyzed the diet of seven small-sized fish species(Characidae) and assessed their use of food resources. The species were collected in 2001 from nine ponds with aquatic macrophytes in the Paraná river floodplain, Brazil. Astyanax altiparanae,
Valdirene Esgarbosa Loureiro Crippa   +2 more
doaj  

Dieta, hábitos alimentares e morfologia trófica de peixes de pequeno porte, em lagoas da planície de inundação do alto rio Paraná, Brasil. [PDF]

open access: yes, 2006
Cap.1: In this study we analyzed the diet and trophic morphology of seven Tetragonopterinae species in nine isolated lagoons of the Paraná river floodplain, Brazil, during 2001.
Crippa, Valdirene Esgarbosa Loureiro
core  

Relação peso-comprimento para duas espécies de peixes de rios do estado do Mato Grosso do Sul, Brasil

open access: yes, 2020
The study of the weight-length relationship of a fish species can be used to address several aspects that involve the distinction of small taxonomic units, providing basic information for the study of species biology, in addition, this relationship can ...
Smith, Welber Senteio   +3 more
core   +1 more source

Type of spawning and fecundity of Moenkhausia intermedia (Eigenmann, 1908), in Ibitinga reservoir, São Paulo State, Brazil

open access: yes, 1991
This paper describes the fecundity and type of spawning of Moenkhausia intermedia in Ibitinga reservoir, São Paulo State, collected from June 1989 to May 1990. 37 mature females were examined and the average fecundity resulted in 6092 ovocytes. For determination of type of spawning 584 females were used.
Rodrigues, Arlete Mota   +4 more
openaire   +1 more source

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