Results 51 to 60 of about 401 (88)

Temporary fat storage, an adaptation of some fish species to the waterlevel fluctuations and related environmental changes of the Amazon river

open access: yes, 1985
Analysis of Amazonian freshwater fish exhibited great differences in water- and fat content. Migratory species which deposit huge amounts of eggs in a single spawning act accumulate at high water-level great amounts of fat in various parts of the body ...
Junk, W.
core  

Les stratégies de reproduction et les premiers stades de vie des poissons du fleuve Sinnamary (Guyane française) : une revue bibliographique [PDF]

open access: yes, 1994
Le barrage hydro-électrique de Petit-Saut, construit par Electricité de France sur le fleuve Sinnamary en Guyane française, a été fermé en janvier 1994. Cet ouvrage a profondément modifié un milieu dont les éléments avaient co-évolué depuis de nombreuses
Ponton, Dominique, Tito de Morais, Luis
core  

Fish, Lajeado Reservoir, rio Tocantins drainage, State of Tocantins, Brazil [PDF]

open access: yes, 2007
The Lajeado HR is the fourth hydroelectric power plant constructed in the rio Tocantins. The implementation of hydroelectric plants in the rio Tocantins basin is of high environmental concern because they may result in severe damage to the ichthyofauna ...
Agostinho, Carlos   +5 more
core   +2 more sources

Anatomia funcional e morfometria dos intestinos e dos cecos pilóricos do teleostei (pisces) de água doce Brycon orbignyanus (Valenciennes, 1849)

open access: yesRevista Brasileira de Zootecnia, 2000
O objetivo do presente trabalho foi estudar a anatomia funcional e a morfometria comparativas nos intestinos médio e posterior e nos cecos pilóricos da piracanjuba (Brycon orbignyanus Valenciennes, 1849) (Characiformes, Characidae, Bryconinae).
Seixas Filho José Teixeira de   +5 more
doaj  

A review of the blood coagulation system of fish. [PDF]

open access: yes, 2018
Uma revisão do sistema de coagulação sanguínea de peixes. Hemostasia é uma função de grande importância para responder a danos e desordens da coagulação sanguínea.
OLIVEIRA, S. R., TAVARES-DIAS, M.
core  

Conservation status of the "Piracanjuba" Brycon orbignyanus (Valenciennes, 1850) (Characiformes, Bryconidae): basis for management programs [PDF]

open access: yes, 2017
The excessive exploitation of freshwater resources has been caused by many impacts on natural populations, especially on fish. Different factors related to pollution, overfishing, introduction of exotic species, construction of dams, and destruction of ...
Ashikaga, Fernando Yuldi   +3 more
core   +2 more sources

Comparative study on hematological parameters of farmed matrinxã, Brycon amazonicus Spix and Agassiz, 1829 (Characidae: Bryconinae) with others Bryconinae species. [PDF]

open access: yes, 2008
O objetivo deste estudo foi determinar os parâmetros eritrocíticos, as contagens de trombócitos e de leucócitos de espécimes de Brycon amazonicus (matrinxã), criados em cativeiro e compará-los com aqueles descritos na literatura para outras espécies de ...
AFFONSO, E. G.   +4 more
core  

Desenvolvimento das modalidades mecanossensoriais de larvas de Brycon orbignyanus / Development of mechanosensory modalities of Brycon orbignyanus larvae [PDF]

open access: yes, 2021
Com o objetivo de descrever o desenvolvimento das estruturas mecanorreceptoras, otólitos/ouvido interno e neuromastos do sistema de linha lateral, das larvas de piracanjuba Brycon orbignyanus (Valenciennes, 1849) (Characiformes, Characidae, Bryconinae ...
Júnior, Alaor Maciel   +2 more
core   +1 more source

Evaluation of environmental conditions by fish hematology [PDF]

open access: yes, 2011
In the work are shown basic principles of application of the haematological status in determination of physiological status of fishes, also a review of a number of research from this area is given. One part of the research includes analysis of parametres
Cetkovic Danijela   +7 more
core  

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