Results 61 to 70 of about 284 (163)

The effects of water temperature and hybridization on embryonic development and gametogenesis of two species of Amazonian tetra

Theriogenology Wild, 2023
The study of embryonic development in fish and how water temperature affects the life stage in this group is of pivotal importance to support works that aim at the conservation, management, and recovery of endangered or high economic valuable species. It
Saynara Miranda, Ludmylla Santos, Suianny Chaves, Bianca Lima, Jeane Rodrigues, Maria Rosa-Silva, Hadda Tercya, Paulo Jesus, Eduardo Albuquerque, Caio Maximino, Diógenes Siqueira-Silva   +10 more
doaj   +1 more source

Ichthyofauna of coastal lakes and the Igaraçu River in Ilha Grande, Delta do Parnaíba, Parnaíba, Piauí State, northeastern Brazil [PDF]

Check List, 2014
This study aims to provide a list of fish species from the Igaraçu River and some lakes of the lower Parnaíba River, Delta do Parnaíba, northeastern state of Piauí, Brazil.
Filipe Melo, Rennan Melo, Lucas Resende
doaj   +3 more sources

A new tetra of the genus Astyanax (Characiformes: Acestrorhamphidae) with lateral stripes from lower Amazon basin, Brazil

Neotropical Ichthyology
A new species of Astyanax is described from the rio Jauari and rio Mulato basins, tributaries of the left bank of the lower Amazon River, Pará State, Brazil. The new species is distinguished from the other congeners, except A. kullanderi, A.
Josué Sarino-Araújo, Cárlison Silva-Oliveira, Flávio C. T. Lima, André L. C. Canto, Frank R. V. Ribeiro   +4 more
doaj   +1 more source

Histological and Histometric Evaluation of the Liver in Astyanax Bimaculatus (Teleostei: Characidae), Exposed to Different Concentrations of an Organochlorine Insecticide [PDF]

The Anatomical Record, 2015
ABSTRACTTo investigate possible morphological changes to the liver tissue of lambaris, Astyanax bimaculatus (Linnaeus, 1758), females were exposed to treatments of sublethal concentrations of the insecticide Thiodan® for 96 hr. Treatments included three sublethal concentrations of 1.15, 2.3, and 5.6 μg L−1 of Thiodan® and a control group without ...
Lucas, Marcon, Nilo, Bazzoli, Ann, Honor Mounteer, Laércio, Dos Anjos Benjamin   +3 more
openaire   +2 more sources

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