Results 71 to 80 of about 562 (191)

Parasites of four ornamental fish from the Chumucuí River (Bragança, Pará, Brazil) Parasitas de quatro peixes ornamentais do Rio Chumucuí (Bragança-Pará, Brasil)

Revista Brasileira de Parasitologia Veterinária, 2013
The objective of the present study was to evaluate the parasite fauna of four species of ornamental fish collected in the Chumucuí River, municipality of Bragança, Pará, Brazil. From June 2006 to December 2007.
Rodrigo Yudi Fujimoto, Zaira Monik Nunes de Barros, Adjalbas Nunes Marinho-Filho, Daniel Guerreiro Diniz, Jorge Costa Eiras   +4 more
doaj  

Metazoários parasitos de seis espécies de peixes do Reservatório de Lajes, Estado do Rio de Janeiro, Brasil Metazoan parasites of six fishes species from Lajes Reservoir in the State of Rio de Janeiro, Brazil

Revista Brasileira de Parasitologia Veterinária, 2007
Entre abril de 2002 e julho de 2003, foram necropsiados 231 espécimes de peixes: 39 Astyanax bimaculatus (Linnaeus, 1758), 79 A. fasciatus (Cuvier, 1819), 23 Hypostomus affinis (Steindachner, 1877), 26 Hoplias malabaricus (Bloch, 1794), 30 ...
Aline R. Paraguassú, José L. Luque
doaj   +1 more source

Desempenho do lambari-do-rabo-amarelo alimentado com rações práticas contendo diferentes níveis de proteína bruta

Agropecuária Catarinense, 2020
O trabalho teve o objetivo de verificar o desempenho do lambari-do-rabo-amarelo Astyanax bimaculatus alimentado com diferentes níveis de proteína bruta (PB) em dieta prática para a fase de engorda.
Haluko Massago, Bruno Corrêa da Silva
doaj   +1 more source

Redescription of Prosthenhystera obesa (Diesing, 1850) (Callodistomidae, Digenea) with New Host Records and Data on Morphological Variability

Memorias do Instituto Oswaldo Cruz, 1997
Prosthenhystera obesa (Diesing,1850) Travassos, 1922 from the gall bladder of Astyanax bimaculatus, Caranx gibbosus, Galeocharax humeralis, Leporinus copelandii, Pimelodus fur, Pseudopimelodus roosevelti, Salminus brevidens, Salminus maxillosus and from ...
Anna Kohn, Berenice MM Fernandes, Maria de Fatima D Baptista-Farias   +2 more
doaj   +1 more source

Evaluation of the effects of pressure gradients on four Brazilian freshwater fish species

Brazilian Archives of Biology and Technology, 2009
This work aimed to experimentally evaluate the behavior of Brazilian freshwater fish species when submitted to a gradual increase in pressure, as well as sudden decompression's effects simulating the passage through a hydroelectric turbine.
Paulo dos Santos Pompeu, Luiz Felipe Mascarenhas Horta, Carlos Barreira Martinez   +2 more
doaj   +1 more source

Structure of the littoral fish assemblage in an impounded tributary: the effects of macrophytes presence (subtropical region, Brazil) Estrutura da assembleia de peixes litorâneos em um tributário represado: os efeitos da presença de macrófitas (região subtropical, Brasil)

Brazilian Journal of Biology, 2012
To evaluate the effects of macrophytes presence in the structure of littoral fish assemblages in the littoral zone, monthly samples were collected from September, 2006 to August, 2007 in an impounded tributary of the Itá Reservoir, the Fragosos River ...
S. Hermes-Silva, E. Zaniboni-Filho
doaj   +1 more source

Cytogenetic toxicity and gonadal effects of 17 α-methyltestosterone in Astyanax bimaculatus (Characidae) and Oreochromis niloticus (Cichlidae)

Genetics and Molecular Research, 2013
The synthetic hormone, 17-α-methyltestosterone (MT), is used in fish hatcheries to induce male monosex. Androgenic effects on various fish species have been reported; however, few studies have assessed possible genotoxic effects, although there are concerns about such effects in target and non-target species.
C L G, Rivero-Wendt, A L, Miranda-Vilela, M F N, Ferreira, A M, Borges, C K, Grisolia   +4 more
openaire   +2 more sources

Astyanax bimaculatus

, 2004
Astyanax bimaculatus (Linnaeus, 1758 ...
Calle Velez, Juan Cristóbal
core  

Feeding ecology of stream-dwelling Characidae (Osteichthyes: Characiformes) from the upper Tocantins River, Brazil

Zoologia (Curitiba), 2013
In this contribution we studied the trophic ecology of four Characidae species from the Cavalo Stream, upper Tocantins River, considering diet overlap and trophic niche breadth.
Maíra Moraes, Carla Ferreira Rezende, Rosana Mazzoni   +2 more
doaj   +1 more source

Effect of food frequency on the growth of the lambari, astyanax bimaculatus (Characiformes, Characidae)

, 2022
The lambari, Astyanax bimaculatus, is one of the native species with zootechnical potential for aquaculture, and stands out with desirable characteristics for cultivation, therefore, studies regarding the ideal amount of food are necessary to improve the zootechnical performance of the species.
Santos, Ricardo Pinto dos, França, Caroline Lopes, Sousa, Wanderson Diego Reis, Silva, João Mandú da, Pinheiro, Thiago Ferreira, Teixeira, Erivania Gomes   +5 more
openaire   +1 more source