Results 21 to 30 of about 3,790 (211)
Autonomous detection of neotropical sciaenid fishes [PDF]
Sciaenid passive acoustics are a demonstrated valuable tool for fisheries management. In spite of this, an efficient software tool to detect and identify fish sounds is not currently available. Such tool would be useful for autonomous recognition and array methodologies.
Sebastian Ruiz-Blais +2 more
openaire +1 more source
Cross species amplification and characterization of microsatellite markers in Leporinus friderici (Characiformes, Anostomidae) [PDF]
: 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
doaj +1 more source
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
doaj +1 more source
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 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
doaj +1 more source
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
doaj +1 more source
How does fragmentation by small dams affect stream ichthyofauna in the upper Paraná River basin? [PDF]
Since 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
doaj +1 more source
ZOOPLANCTON EN LA LARVICULTURA DE PECES NEOTROPICALES [PDF]
Because of the poor development of digestive system and swimming capability of young fish, larviculture of altricial neotropical fish presents for the management of the initial feeding.
Martha Prieto G, Victor Atencio G
doaj
Swimming performance of the small characin Bryconamericus stramineus (Characiformes: Characidae)
Very little research has been conducted on the swimming capacity of Neotropical fish. The few studies available have focused on large migratory species.
Miriam A. de Castro +3 more
doaj +1 more source
Optimal swim speeds by respirometer: an analysis of three neotropical species
The swimming ability of neotropical fish species is an important aspect for fish ladder designs. Especially in Latin America, where fish ladders are highly selective, fish strategies to negotiate the passage should be studied focusing on target species ...
Hersília de Andrade e Santos +3 more
doaj +1 more source

