Results 61 to 70 of about 141 (105)
Some fish species can be used as target species and bioindicators of environmental disturbances. In this context, biological indicators such as the length, weight, and height of lapillus otoliths of the ariid species Cathorops spixii and Genidens ...
Igor Morais +2 more
doaj +2 more sources
Bioacumulação de Mercúrio em Quatro Espécies de Peixes Tropicais Oriundos de Ecossistemas Estuarinos do Estado do Rio de Janeiro, Brasil [PDF]
A bioacumulação de mercúrio foi investigada em quatro espécies de peixes (Genidens genidens, Aspistor luniscutis, Haemulon steindachneri e Micropogonias furnieri) oriundos da Baía da Ribeira e Baía de Guanabara (Estado do Rio de Janeiro).
Zuleica Carmen Castilhos +4 more
doaj
Artisanal fisherfolk’s Local Ecological Knowledge on catfish and fishing legislations: a necessary dialog [PDF]
The presence of catfish of the Ariidae family in the list of endangered species of Rio Grande do Sul (RS), as from 2014, led to forbidding fishing two species of this family.
Sammer Maravilha Chagas Gilio-Dias +3 more
doaj +4 more sources
Mais de 2/3 dos 185 (83,66%) bagres marinhos das espécies Arius spixii, Genidens genidens, Sciadeichthys luniscutis e Netuma barba apresentaram assimetria gonadal em relação ao número de óvulos.
Motoi MISHIMA, Shitiro TANJI
doaj
No Rio de Janeiro, a produção de pescado ocorre de maneira ampla em contingente de espécies, porém, algumas se encontram em situação de sobrepesca, tornando-se importante o estudo de espécies potencialmente aproveitáveis do ponto de vista nutricional ...
A. L. A. Jamas +4 more
doaj +1 more source
Use of fishing resources by women in the Mamanguape River Estuary, Paraíba state, Brazil
We evaluated the appropriation and use of fishing resources by women residing near the Mamanguape River Estuary (MRE), Paraíba state, Brazil. Were used combinations of qualitative (interviews and direct observations) and quantitative methods (use value ...
Michelle S.P. Rocha +4 more
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The feeding habits and behaviour of adult specimens of Bagre bagre (Linnaeus, 1766) and Genidens barbus (Lacepède, 1803), both targets of commercial fisheries in coastal southeastern Brazil, were evaluated through stomach content analysis. These catfish
Maria Thereza Manhães Tavares +1 more
doaj +1 more source
Fish predation is thought to exert an important influence on the demographical dynamics of larvae and juveniles of estuarine brachyuran crabs but few studies have investigated this phenomenon in nature.
Paulo V. Costa +4 more
doaj +1 more source
Although saltmarshes are widely recognized as important habitats providing shelter for estuarine organisms and protection against predators, there is still no consensus on the trophic value of marsh plants for estuarine food webs.
Adna Ferreira Garcia
doaj +1 more source
Despite their ecological and economical importance, fishes of the family Ariidae are still genetically and cytogenetically poorly studied. Among the 133 known species of ariids, only eight have been karyotyped.
Mauro Nirchio +3 more
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