Local and regional ecological morphology of dung beetle assemblages across four biogeographic regions [PDF]
, 2011 Aim Niche partitioning within species assemblages is thought to influence species packing and/or total niche space occupied. The evolution of dung beetles (Scarabaeinae) is likely to have been strongly influenced by inter-specific competition, leading to
Aguirre +64 more
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Boletim do Instituto de Pesca, 2017 O objetivo foi avaliar os efeitos de diferentes concentrações de amônia não ionizada (zero; 0,15; 0,30; 0,50; 1,00 mg L-1 NH3) na histologia e morfologia das brí¢nquias e fígado de juvenis de Bryconops caudomaculatus.
Mayara da Cruz RIBEIRO +2 more
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Intraspecific variability modulates interspecific variability in animal organismal stoichiometry. [PDF]
, 2014 Interspecific differences in organismal stoichiometry (OS) have been documented in a wide range of animal taxa and are of significant interest for understanding evolutionary patterns in OS.
El-Sabaawi, Rana W +5 more
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Biology of growth of Hoplias aff. malabaricus (Bloch, 1794) in a shallow pampean lake Argentina [PDF]
, 2011 The trahira Hoplias aff. malabaricus is a top predator in pampean shallow lakes and is highly appreciated by recreational anglers and artisanal fishermen.
Baigún, Claudio Rafael M. +2 more
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Cross species amplification and characterization of microsatellite markers in Leporinus friderici (Characiformes, Anostomidae) [PDF]
Ciência Rural, 2020 : Leporinus friderici is a migratory neotropical fish with elevated ecological and economic importance in Brazil. Microsatellite markers are highly important in population genetic studies, management, and conservation programs; however, no markers are ...
Caio Felipe da Silva +5 more
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Hylaeus (Hylaeana) dominicalis, a new species and the first colletid bee recorded from Dominica, Lesser Antilles [PDF]
, 2020 A new species of colletid bee, Hylaeus (Hylaeana) dominicalis Gibbs, new species, is described and figured from the Commonwealth of Dominica. The new species can be distinguished from consubgeneric species in the Caribbean Islands based on the ...
Gibbs, Jason
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Boletim do Instituto de Pesca, 2023 The present study aimed to verify whether the use of crude glycerin in the diet of juvenile C. macropomum could promote histopathological changes in the liver and kidneys.
Eduardo Libanio Reis Santos +1 more
doaj
Impacts of small-scale engineering projects on Neotropical freshwater fishes [PDF]
Neotropical IchthyologyNeotropical freshwater ecosystems harbor some of the world’s most diverse fish communities, playing a fundamental role in ecosystem functionality and providing essential and free services to human societies.
Franco Teixeira de Mello +8 more
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How does fragmentation by small dams affect stream ichthyofauna in the upper Paraná River basin? [PDF]
Neotropical IchthyologySince the seminal publication of the River Continuum Concept (RCC), many studies have shown the importance of habitat and longitudinal changes on fish distribution, including for the Neotropical region.
Gilberto Nepomuceno Salvador +8 more
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Animals, 2021 Pseudoplatystoma punctifer is an Amazonian catfish highly appreciated for its high flesh quality, size, and commercial value. Its aquaculture is pursued to satisfy the demands of an increasing population in the region.
Diana Castro-Ruiz +7 more
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