Results 31 to 40 of about 1,113 (189)

Habitat use of the amphidromous catfish Genidens barbus: first insights at its southern distribution limit [PDF]

open access: yesNew Zealand Journal of Marine and Freshwater Research, 2021
This work was supported by the Programa Becar-Ministerio de Educación de Argentina under Grant Becar 2019;Government of Principality of Asturias (Spain) under Grant IDI/2018/ 000186–Fondos Feder; Agencia Nacional de Promoción Científica y Tecnológica under Grant PICT 2015-1823; and Universidad de Buenos Aires under Grant UBACyT 20020150100052BA; Fondo ...
Avigliano, Esteban   +4 more
openaire   +3 more sources

Microbiota characterization of the catfish (Cathorops agassizii and Genidens genidens) sting venom

open access: yesBrazilian Journal of Veterinary Research and Animal Science, 2006
Este trabalho teve por objetivo o estudo da contaminação bacteriana do veneno do ferrão dos bagres Genidens genidens (Valenciennes, 1839); e Cathorops agassizii (Agassiz, 1829) encontrados no Complexo Baia-Estuário de Santos e de São Vicente (Estado de São Paulo).
Junqueira, Marcos Emerson Pinheiro   +2 more
openaire   +5 more sources

Nycthemeral and Monthly Occupation of the Fish Assemblage on a Sheltered Beach of Baía Norte, Florianópolis, Santa Catarina State, Brazil [PDF]

open access: yes, 2014
Interpreting fish community records is challenging for several reasons, including the lack of past ichthyofauna data, the cyclical temporal variations in the community, and the methodology employed, which usually underestimates fish assemblages.
ADACHI K.   +97 more
core   +4 more sources

Biologia reprodutiva do bagre ameaçado de extinção Genidens barbus (Lacépède, 1803) (Ariidae, Siluriformes), em ambiente estuarino no Sul do Brasil [PDF]

open access: yes, 2022
A presente pesquisa descreve aspectos de biologia reprodutiva do bagre marinho ameaçado de extinção Genidens barbus (Lacépède, 1803), na região do estuário do rio Tramandaí, sul do Brasil, objetivando a compreensão acerca da biologia populacional da ...
Vontobel, Eduardo Dobber
core  

Temporal variation in composition, abundance and biomass of the fish fauna after impact on subtropical transitional water

open access: yesActa Scientiarum: Biological Sciences, 2023
Transitional waters are characterized by large variations in salinity, temperature, turbidity, among other factors, such as tidal cycle, wind action and rainfall, that are constantly changing over time. The distribution of biota in these environments is
Maíra Gnoatto Afonso   +5 more
doaj   +1 more source

Electrophoretic study on intraspecific variations and interspecific relationships of marine catfishes (Siluriformes, Ariidae) of Cananéia (São Paulo, Brazil): 1. General proteins of eye-lens and skeletic muscle [PDF]

open access: yes, 1990
Eletroforeses de proteínas gerais de cristalinos e de músculo esquelético de seis espécies de bagres marinhos foram realizadas, respectivamente, em membranas de acetato de celulose e em géis de poliacrilamida.
Phan, Van Ngan, Suzuki, Hana
core   +4 more sources

Implications of Sediment Geochemistry and Diet Habits in Fish Metal Levels and Human Health Risk [PDF]

open access: yes, 2019
In this study the concentration of Cd, Cu, Fe, Ni, Pb, and Zn in muscle and liver tissues was compared between four estuarine fish species (Centropomus parallelus, Genidens genidens, Diapterus rhombeus, and Mugil liza) to assess contamination levels and ...
Bosco-Santos, Alice   +1 more
core   +1 more source

Electrophoretic study on intraspecific variations and interspecific relationships of marine catfishes (Siluriformes, Ariidae) of Cananéia (São Paulo, Brazil): 2. Isozymes of skeletic muscle [PDF]

open access: yes, 1990
Ten enzymatic systems of skeletic muscle of four species of marine catfishes were analysed by Polyacrylamide flat gel electrophoresis. Out of 17 loci examined, six were polymorphic.
Phan, Van Ngan, Suzuki, Hana
core   +4 more sources

Biologia reprodutiva dos bagres marinhos Genidens genidens (Valenciennes) e Cathorops spixii (Agassiz) (Siluriformes, Ariidae), na Baía de Sepetiba, Rio de Janeiro, Brasil [PDF]

open access: yesRevista Brasileira de Zoologia, 1999
The reproductive cycle of the marine catfishes Genidens genidens Valenciennes, 1833 and Cathorops spixii Agassiz, 1839 in the Sepetiba Bay, was assessed by an annual period of sampling from October 1993 to September 1994. The fishes were caught by standardized otter trawl and environmental parameters of temperature, salinity and transparency of water ...
Gomes, Iracema David   +3 more
openaire   +3 more sources

Contribuição à Zooarqueologia do Sambaqui do Moa: novos vestígios ictiológicos

open access: yesRevista do Museu de Arqueologia e Etnologia, 2012
Este trabalho apresenta a descrição e uma breve discussão sobre os vestígios icitológicos recuperados a partir de escavações realizadas no Sambaqui do Moa, localizado em Saquarema/RJ.
Sue Anne Regina Ferreira da Costa   +3 more
doaj   +1 more source

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