Results 41 to 50 of about 3,323 (198)

Fish Assemblages in an Urbanized Neotropical Basin: Influence of Environmental Factors Across Dry and Rainy Periods

International Review of Hydrobiology, Volume 111, Issue 2, December 2026.
ABSTRACT This study investigated the effects of season and environmental disturbances on fish communities in neotropical rivers of the Sorocaba basin, a Sub‐Basin of the Paraná River in Southeast Brazil, based on sampling 1196 individuals from 49 species, including two non‐native and one threatened with extinction.
Natalia S. Alves, Daiane E. Cavallari, Welber S. Smith   +2 more
wiley   +1 more source

Morphological and Histometric Alterations in Gonadal and Neural Tissues of Native and Non‐Native Fishes From the Lower Doce River Basin in Southeastern Brazil

Anatomia, Histologia, Embryologia, Volume 55, Issue 5, September 2026.
ABSTRACT The ichthyofauna of the lower Doce River basin has been exposed to multiple anthropogenic stressors. Among these, the collapse of the Fundão mining tailings dam in Mariana, Minas Gerais, Brazil, in 2015 resulted in massive fish mortality and widespread contamination of aquatic environments.
Lucas Marcon, Késsia Leite Souza, Natália Martins Travenzoli, Gustavo Ribeiro Rosa, Mara Luiza de Almeida Santos, Wander Ribeiro Ferreira, Paula Nunes Coelho, Jorge Abdala Dergam dos Santos, Elisabeth Henschel   +8 more
wiley   +1 more source

Fig. 1 in Plasticity in the shape and growth pattern of asteriscus otolith of black prochilodus Prochilodus nigricans (Teleostei: Characiformes: Prochilodontidae) freshwater Neotropical migratory fish

, 2018
Fig. 1. Partial map of the Amazon basin showing the study area where Prochilodus nigricans were collected. Rivers: Solimões, Japurá and Negro, Brazil.Published as part of Costa, Rosa Maria Rodrigues da, Fabré, Nidia Noemí, Amadio, Sidinéia Aparecida ...
Amadio, Sidinéia Aparecida, Tuset, Víctor Manuel, Costa, Rosa Maria Rodrigues da, Fabré, Nidia Noemí   +3 more
core   +1 more source

GENETIC IMPLICATIONS OF RESTOCKING PROGRAMS ON WILD POPULATIONS OF STREAKED PROCHILOD Prochilodus lineatus

Boletim do Instituto de Pesca, 2019
Genetic diversity of wild and farmed populations is crucial, both for conservation of fish resources and fish culture development. To infer the genetic diversity and population structure of Streaked prochilod Prochilodus lineatus, individuals were ...
Lin Hua Liu IWERSEN, Claudio Manoel Rodrigues de MELO, Cristiano LAZOSKI, Evoy Zaniboni-FILHO, Josiane RIBOLLI   +4 more
doaj   +1 more source

Two new Haploporidae (Trematoda) of Fishes from the Brazilian state of Rondônia [PDF]

Acta Amazonica, 1999
Two new Haploporidae (Trematoda) are described from fishes of the State of Rondônia, Brazil. Rondotrema microvitellarum gen. et sp. n., an intestinal parasite of Hemiodus microlepis, is characterized as having intercecal vitellaria limited to one small ...
Vernon E. THATCHER
doaj   +1 more source

Fish Sperm Subpopulations Detection, Separation, and Application: Current State and Trends

Reviews in Aquaculture, Volume 18, Issue 4, September 2026.
Modern advances in sperm biology highlight the necessity of recognising intra‐ejaculate heterogeneity as a central concept for advancing both the fundamental understanding of fertilisation processes and the development of artificial reproduction techniques in fishes. ABSTRACT Sperm subpopulations represent a fundamental manifestation of intra‐ejaculate
Viktoriya Dzyuba, William V. Holt, Borys Dzyuba   +2 more
wiley   +1 more source

Feeding Ecology of Prochilodus lineatus in the Rio Paraná

, 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

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

, 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

Neotropical 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, Sergio Makrakis, Theodore Castro-Santos, Maristela Cavicchioli Makrakis, João Henrique Pinheiro Dias, René Fuster Belmont   +5 more
doaj   +1 more source

Fish commercialization in the main market places in Monteria, Colombia

Temas 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, Robinson R. Rosado, Oscar D. Ballesteros, David E. Lerma   +3 more
doaj   +1 more source