Results 51 to 60 of about 50,960 (243)

Insights from three decades of IUCN Red List assessments catalyzing shark, ray, and chimaera conservation

Conservation Biology, EarlyView.
Abstract The International Union for Conservation of Nature (IUCN) Red List of Threatened Species is a critical measure of global aquatic and terrestrial biodiversity status. It is also the basis for the Red List Index, which tracks extinction risk over time.
Brittany Finucci, Cassandra L. Rigby, Nicholas K. Dulvy, Rachel D. Cavanagh, Sarah Fowler, Lucy R. Harrison, Julia M. Lawson, Riley Pollom, Colin A. Simpfendorfer, Rachel H. L. Walls, Rima W. Jabado   +10 more
wiley   +1 more source

PESCA SELETIVA DO PEIXE CADELA, Cynopotamus humeralis VELENCIENNES, 1847 ( PISCES, CYPRINIFORMES ), COM A UTILIZAÇÃO DE REDES DE EMALHAR

Boletim do Instituto de Pesca, 2018
O objetivo do presente trabalho é determinar a curva de seletividade das redes de emalhar utilizadas na captura do peixe cadela, Cynopotamus humeralis, segundo Gulland {1969}, e a relação entre os comprimentos médio, mí­­nimo e máximo dos indiví­­duos ...
Arlete MOTA, Jair Duarte RODRIGUES, Manoel Nino de MORAES, Antonio Eugênio FERREIRA   +3 more
doaj  

Feeding ecology of an Amazonian electric knifefish under altered flood‐pulse dynamics caused by hydroelectric damming

Journal of Fish Biology, EarlyView.
Abstract This study evaluated the effects of the controlled flood pulse on diet composition, trophic niche breadth and feeding intensity of Archolaemus janeae, an electric knifefish species with a restricted distribution in the Amazon Basin. Monthly samples were collected from December 2020 to November 2021 in the Volta Grande stretch of the Xingu ...
Ana F. V. N. M. Costa, Antonio A. Jardim Jr, Erival G. Prata, Rafael R. Gusmão, Angelo J. Faro Júnior, Alan S. Fonseca, Danielly T. Hashiguti, Luciano F. A. Montag, Tiago M. S. Freitas   +8 more
wiley   +1 more source

Estudos do crescimento e reprodução no ciclí­­deo Oreochromis niloticus (Linnaeus, 1757) em tanques de terra.

Boletim do Instituto de Pesca, 2018
Um total de 1.300 alevinos de O. niloticus com 3 meses de idade foi estocado em um tanque de terra fertiIizado, de 1.300 m², na Estação de Piscicultura de Pindamonhangaba, São Paulo, Brasil.
Patrícia de PAIVA, José Roberto VERANI, Cleide S.R. MAINARDES- PINTO, Yara Aiko TABATA   +3 more
doaj  

First record of young‐of‐the‐year smooth hammerhead (Sphyrna zygaena) in coastal waters of Galicia, northwest Spain

Journal of Fish Biology, EarlyView.
Abstract The smooth hammerhead (Sphyrna zygaena) is typically considered an oceanic species and is only rarely observed in the cooler coastal waters of the northeastern Atlantic. On 20 December 2024, a juvenile S. zyganea was captured at 25 m depth in the inner Ría de Pontevedra (Rías Baixas, northwest Spain).
Xabier Pin, Kenn Papadopoulo, Pablo Covelo, Gonzalo Mucientes   +3 more
wiley   +1 more source

PESCA SELETIVA DA PIRAMBETA, Serrasalmus spilopleura KNER, 1859 ( PISCES, CYPRINIFORMES ) , COM A UTILIZAÇÃO DE REDES DE EMALHAR

Boletim do Instituto de Pesca, 2018
No presente trabalho foram determinadas a curva de seletividade em redes de emalhar utilizadas na captura da pirambeba, Serrasalmus spilopleura, e a relação entre os comprimentos médio, mí­­nimo e máximo dos indiví­­duos capturados e o tamanho das ...
Jair Duarte RODRIGUES, Arlete MOTA, Manoel Nino de MORAES, Elmar Cardozo CAMPOS   +3 more
doaj  

A new species of inseminating catfish of the genus Tympanopleura (Siluriformes: Auchenipteridae) from the Ituxi River, Amazon River basin, northern Brazil, revealed by integrative taxonomy

Journal of Fish Biology, EarlyView.
Abstract A new species of the genus Tympanopleura is described from the Iquiri River, a tributary of the Ituxi River, a right‐bank tributary to the Purus River, Amazon River, northern Brazil. The new species is distinguished from all its congeners by a combination of features, such as the presence of an intensely pigmented square‐shaped blotch on the ...
Frank Raynner V. Ribeiro, Cárlison Silva‐Oliveira, Valdenor Magalhães, Lucas Gama, Lúcia H. Rapp Py‐Daniel   +4 more
wiley   +1 more source

La comercialización de la pesca artesanal [PDF]

, 1988
Serie informativa sobre el desarrollo de la pesca artesanal en Colombia.

core  

DINÂMICA DA NUTRIÇÃO DA MANJUBA,Anchoviella lepidentostole (Fowler, 1911) ( OSTEICHTHYES, ENGRAULIDAE ),DO RIO RIBEIRA DE IGUAPE, ESTADO DE SÃO PAULO, BRASIL

Boletim do Instituto de Pesca, 2018
Analisa-se o í­­ndice médio de repleção, o fator de condição e a frequência relativa dos estádios de repleção em função das estações do ano. Estabelece-se a época em que os indiví­­duos de Anchoviella lepidentostole (Fowler, 1911), do Rio Ribeira de ...
Maria Teresa Duarte GIAMAS, Arlete MOTA, Jair Duarte RODRIGUES, José MANDELLI JR   +3 more
doaj  

Subtropical marine reserve as key habitats for the critically endangered sand tiger shark (Carcharias taurus) in the Southwestern Atlantic

Journal of Fish Biology, EarlyView.
Abstract This study documents the occurrence, seasonal patterns and reproductive activity of the sand tiger shark (Carcharias taurus) within a no‐take marine protected area in southeastern Brazil, using Baited Remote Underwater Video (BRUV) and diving records.
Ana Clara S. Athayde, Guilherme Bertuzo, Otto Bismarck F. Gadig, Rafael R. Munhoz, Letícia M. Fukushima, Caio R. Pimentel, Fernanda A. Rolim, Guilherme H. Pereira‐Filho, Fabio S. Motta   +8 more
wiley   +1 more source