Results 61 to 70 of about 3,623 (195)

Origem, herança e estrutura dos cromossomos supranumerários no gênero Prochilodus (Characiformes, Prochilodontidae)

open access: yes, 2012
A família Prochilodontidae apresenta uma extraordinária estabilidade dos caracteres morfológicos e merísticos, o qual pode estar relacionado ao fato de efetuarem grandes migrações com propósito reprodutivo, dispersando-se em grandes áreas. Sob o ponto de
Voltolin, Tatiana Aparecida [UNESP]
core   +3 more sources

Passage performance of long-distance upstream migrants at a large dam on the Paraná River and the compounding effects of entry and ascent

open access: yesNeotropical Ichthyology
This paper presents results of a fishway evaluation performed at the Engenheiro Sérgio Motta Hydroelectric Power Plant (known as Porto Primavera) - CESP, Paraná River, Brazil.
Ricardo Luiz Wagner   +5 more
doaj   +1 more source

Fish commercialization in the main market places in Monteria, Colombia

open access: yesTemas Agrarios, 2014
Fish commercialization in Colombia has increased in the last few years, due to benefits associated to its consumption. In Monteria city, most of the fish is sold in public market places, where currently the state of its commercialization is unknown.
Elvira Durán   +3 more
doaj   +1 more source

Nutritional value of fatty acids of the Neotropical freshwater fishes Prochilodus magdalenae, Pseudoplatystoma magdaleniatum and Ageneiosus pardalis

open access: yesGrasas y Aceites, 2020
This study aimed to determine the nutritional value of the fatty acids in the freshwater fish Prochilodus magdalenae, Pseudoplatystoma magdaleniatum and Ageneiosus pardalis during dry and wet Neotropical seasons with the view to generate useful ...
P. M. Márquez-Fernández   +3 more
doaj   +1 more source

Feeding Ecology of Prochilodus lineatus in the Rio Paraná

open access: yes, 2021
Primary data on contents of the cardiac stomachs of adult Prochilodus lineatus and the benthic biofilm on which they feed in the Rio Paraná and its floodplain in the vicinity of Corrientes ...
Bowen, Stephen
core   +1 more source

High trophic niche overlap between sympatric peacock basses (Cichliformes: Cichlidae: Cichla): Concordant findings from three dietary analysis methods

open access: yesJournal of Fish Biology, Volume 109, Issue 2, Page 1034-1045, August 2026.
Abstract Dietary analysis has contributed to our understanding of animal niches, interspecific interactions, community structure and the flow of matter and energy in food webs. We employed three methods of dietary analysis to estimate trophic niche overlap between two peacock bass species, Cichla cataractae and Cichla ocellaris, across sympatric ...
Benton L. Fry   +2 more
wiley   +1 more source

Fig. 2 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

open access: yes, 2018
Fig. 2. Canonical variate analysis of the first 5 PC compo- nents and fish length data of the Prochilodus nigricans for all localities, with 95% confidence.
Amadio, Sidinéia Aparecida   +3 more
core   +1 more source

Disentangling Environmental, Spatial and Niche Influences on Fish Beta Diversity Along the Sandy Beaches of an Amazonian River

open access: yesFreshwater Biology, Volume 71, Issue 7, July 2026.
ABSTRACT Beta diversity is an important descriptor of community structuring and it plays a crucial role for understanding the patterns and processes shaping biodiversity at multiple spatial extents. We investigated the influence of local, spatial, landscape factors and niche characteristics on fish beta diversity along the Acre River in Acre, Brazil ...
Ronaldo S. Silva   +9 more
wiley   +1 more source

Descripción macroscópica del desarrollo embionario del coporo (prochilodus mariae) [PDF]

open access: yes, 2004
El presente estudio se llevó a cabo en la Estación Piscícola "La Terraza", perteneciente al Instituto Colombiano de Desarrollo Rural (INCODER) ubicada en la ciudad de Villavicencio (Meta).
Ruiz, C.   +3 more
core   +1 more source

Response of Prochilodus nigricans to flood pulse variation in the central Amazon [PDF]

open access: yesRoyal Society Open Science, 2018
The influence of the flood pulse on fish populations has been posited, but infrequently tested or quantified. Here, we tested the effect of habitat on population size, using Prochilodus nigricans as a case study species. Floodplain habitat was based on the littoral zone area occupied by P. nigricans
Peter B. Bayley   +3 more
openaire   +3 more sources

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