Results 31 to 40 of about 1,504 (157)
Comparison of fish assemblages in two littoral habitats in a Neotropical morichal stream in Venezuela [PDF]
, 2008 Morichales are lowland streams in South American savannas with riparian forest dominated by the moriche palm (Mauritia flexuosa). We sampled littoral habitats from ten flooded vegetated patches (dominated by Mauritiella aculeate) and six sand banks in ...
Layman, Craig A. +2 more
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Frontiers in Ecology and Evolution, 2021 Trophic levels can be applied to describe the ecological role of organisms in food webs and assess changes in ecosystems. Stable isotopes analysis can assist in the understanding of trophic interactions and use of food resources by aquatic organisms. The
Paula Evelyn Rubira Pereyra +5 more
doaj +1 more source
A General Overview on Some Aspects of Fish Reproduction [PDF]
, 2014 - Reproduction is one of the important physiological systems that are crucial in the life cycle of living organisms including fish. The main objective of the reproduction is to maintain the existence of the species and therefore fish have a strategies ...
Muchlisin, Z. A. (Zainal)
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MENINGITE EOSINOFÍLICA POR GNATHOSTOMA SP. APÓS INGESTÃO DE PEIXE CRU NA AMAZÔNIA BRASILEIRA
Brazilian Journal of Infectious Diseases, 2023 Na Ásia e nas Ilhas do Pacífico, o Gnathostoma spinigerum é a segunda causa principal de meningoencefalite eosinofílica. Espécies congêneres são encontradas como causadoras da síndrome de larva migrans nas Américas, e têm sido relatadas especialmente no ...
João Pedro Sarcinelli Chagas +4 more
doaj +1 more source
Robust Sensory Traits Across Light Habitats: Visual Signals but Not Receptors Vary in Centrarchids Inhabiting Distinct Photic Environments. [PDF]
Mol EcolABSTRACT Visual communication in fish is often shaped by their light environment, which influences both sensory (e.g., eye size, opsin gene expression) and signalling traits (e.g., body reflectance). This study explores the phenotypic variation in the visual communication traits of six species of centrarchids (Centrarchidae) inhabiting two contrasting ...
Bertinetti C +3 more
europepmc +2 more sources
Introduced species in the Pantanal : implications for conservation [PDF]
, 2011 O uso da terra e a ocupação humana nos hábitats naturais do Pantanal têm facilitado a introdução de espécies invasivas de plantas e animais, incluindo espécies domésticas.
Alho, Cleber José Rodrigues +3 more
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Biotemas, 2011 Conflitos pesqueiros têm sido observados na região do Guaporé entre pescadores e órgãos gestores quanto ao período oficial de defeso reprodutivo.
Carolina Rodrigues da Costa Doria +3 more
doaj +1 more source
Brazilian Journal of BiologyBoth species studied, Cichla cf. ocellaris and Cichla monoculus, fed mainly on fish, the first on Cichla spp., Plagioscion squamosissimus, and Tilapia rendalli, and the second, Cichla monoculus, on Cichla spp.
L. M. Gomiero, F. M. S. Braga
doaj +1 more source
ALTERNATIVAS DE MANEJO PESQUEIRO NO LAGO DA USINA HIDRELÉTICA DE TUCURUÍ/PA.
Nova Revista Amazônica, 2019 Esta pesquisa aborda discussões sobre o uso e acesso aos recursos pesqueiros no Lago da Usina Hidrelétrica de Tucuruí, no sudeste paraense. Busca reflexões sobre a conservação de recurso pesqueiro em Unidades de Conservação de Uso Sustentável a partir de
Neila de Jesus Ribeiro Almeida
doaj +1 more source
Infection levels of proteocephalidean cestodes in Cichla piquiti (Osteichthyes: Cichlidae) of the Volta Grande Reservoir, Minas Gerais, Brazil, relative to host body weight and gender [PDF]
, 2017 We evaluated the relationship between infection by proteocephalid cestodes and the sex and weight classes of tucunaré (Cichla piquiti) captured between August 1999 and June 2001 in the Volta Grande Reservoir, Minas Gerais, Brazil.
de Chambrier, A. +3 more
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