Results 21 to 30 of about 30,905 (223)

EVALUATION OF NEOMALE Rhamdia quelen PROGENY GROWING AT VARIOUS STOCKING DENSITIES

open access: yesBoletim do Instituto de Pesca, 2019
Monosex female jundiá (Rhamdia quelen) generated through indirect sex reversal may have their growth influenced by the stocking density, which is an important factor for production in fish farming. Since zootechnical data from R.
Vanessa Martins da ROCHA   +3 more
doaj   +1 more source

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

open access: yesBiodiversidade Brasileira, 2017
A exploração excessiva dos recursos de água doce tem causado muitos impactos sobre as populações naturais, especialmente em peixes. Diferentes fatores relacionados com a poluição, sobrepesca, introdução de espécies exóticas, construção de barragens e ...
Daniela José de Oliveira   +3 more
doaj   +3 more sources

A new species of the catfish genus Cambeva from the Paranapanema river drainage, southeastern Brazil (Siluriformes: Trichomycteridae)

open access: yesTropical Zoology, 2020
The recently described catfish trichomycterid genus Cambeva comprises about 25 valid species, occurring mostly in river basins of south-eastern and southern Brazil. Fifteen species are endemic to the Paraná river basin, of which three are endemic to the
Axel M. Katz, Wilson J.E.M. Costa
doaj   +1 more source

Early evolution of the gular musculature and its innervation in ray‐finned fishes

open access: yesThe Anatomical Record, EarlyView.
Abstract Gular muscles are an important but often overlooked component of cranial anatomy in bony fishes. They are located on the ventral surface of the head and are derived from the mandibular and hyoid arches. We present a comprehensive review of the gular musculature and its innervation across early diverging actinopterygian lineages. By integrating
Aléssio Datovo   +4 more
wiley   +1 more source

Influência da cadeia trófica marinha na ocorrência e abundância de peixes de importância comercial [PDF]

open access: yes, 2003
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia de Produção.A sobrepesca é responsável pelo decréscimo de estoques pesqueiros relacionado a espécies comercialmente importantes ...
Aguiar, João Batista Simas de
core  

Turnover of multiple sex chromosomes in Harttia catfish (Siluriformes, Loricariidae): a glimpse from whole chromosome painting

open access: yesFrontiers in Genetics, 2023
The remarkable fish biodiversity encompasses also great sex chromosome variability. Harttia catfish belong to Neotropical models for karyotype and sex chromosome research.
Francisco de Menezes Cavalcante Sassi   +8 more
doaj   +1 more source

Gross Agricultural Emissions and Unequal Mitigation Pathways in the Brazilian Legal Amazon: Implications for Climate Justice and the Sustainable Development Goals

open access: yesSustainable Development, EarlyView.
ABSTRACT Climate mitigation policies in the Brazilian Legal Amazon have largely focused on aggregate or net emissions, providing limited evidence on how gross agricultural emissions reveal the intensity of productive emission sources independently of carbon removals.
Jorge Eduardo Macedo Simões   +4 more
wiley   +1 more source

Identificação de Parasitos de Peixes Cultivados e Selvagens em Mato Grosso do Sul [PDF]

open access: yes, 2011
TCC (graduação) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Curso de Engenharia de Aquicultura.Este relatório descreve as atividades realizadas durante o período de estágio supervisionado II, no qual se realizou a identificação
Paseto, Ágata
core  

Growth and Overfishing Indicators Applied to the Protandrous Hermaphrodite Fat Snook (Centropomus parallelus) in the South Atlantic

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT The fat snook Centropomus parallelus is a protandrous hermaphrodite teleost of artisanal and recreational value in the South Atlantic, vulnerable to fishing pressure and size‐selective gears. We evaluated exploitation status using size and age based overfishing indicators from recreational fishing championships and artisanal landings along the
Julia Maria Maccari   +4 more
wiley   +1 more source

Sanidade de peixes criados no Brasil Central: doenças parasitárias e suas interações com o ambiente e hospedeiros [PDF]

open access: yes, 2013
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro de Ciências Agrárias, Programa de Pós-Graduação em Aquicultura, Florianópolis, 2013.Nos último anos, o estado de Mato Grosso do Sul, Brasil, apresentou incremento considerável na produção ...
Jerônimo, Gabriela Tomas
core  

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