Results 11 to 20 of about 778 (56)

Long-term monitoring reveals a consistent female-biased sex ratio in Pimelodus maculatus from the Upper Uruguay River Basin

Boletim do Instituto de Pesca, 2023
Sex ratio is a crucial demographic parameter for the viability of natural populations, and it is commonly balanced in Neotropical freshwater fish species.
Josiane Ribolli, Jurandir Joaquim Bernardes Júnior, E. Zaniboni Filho, R. Guereschi, A. Nuñer   +4 more
semanticscholar   +1 more source

Fish injuries resulting from transient operating conditions in a Brazilian hydropower plant: morphological, physiological and biochemical evaluation in Pimelodus maculatus (Siluriformes: Pimelodidae)

Neotropical Ichthyology, 2023
This study investigated injuries sustained by Pimelodus maculatus caused by transient operating conditions in a Brazilian hydroelectric power plant.
Janaína dos Santos Pedron, Jurandir Joaquim Bernardes Júnior, Josiane Ribolli, Jennyffer Souza, Aline Guimarães Pereira, H. Tolentino, R. Barros, C. F. Milarch, Rafael José Gonçalves Dias, R. Guereschi, Alexandra Latini, A. Nuñer   +11 more
semanticscholar   +1 more source

Morphometric and molecular differentiation of Pimelodus grosskopfii and Pimelodus yuma (Siluriformes: Pimelodidae)

Neotropical Ichthyology, 2023
Pimelodus grosskopfii and Pimelodus yuma, two species endemic to the Magdalena-Cauca basin in Colombia, overlap in the ranges of some of their diagnostic characters, which hampers their correct morphological identification.
Cristhian Danilo Joya, Ana María Ochoa-Aristizábal, José Gregorio Martínez, E. Márquez   +3 more
semanticscholar   +1 more source

Ocorrência de Trypanosoma sp. em Pimelodus maculatus provenientes de rios na cidade de Teresina-PI, Brasil

Brazilian Journal of Development, 2023
É de extrema importância a realização de estudos que visem a caracterização do perfil parasitológico de peixes, a fim de diagnosticar e controlar a disseminação destes parasitas que podem gerar um desequilíbrio nos ecossistemas aquáticos.
Amanda Karoliny Figueredo Brito, Fernanda Samara Barbosa Rocha, Ivete Lopes De Mendonça   +2 more
semanticscholar   +1 more source

Pimelodus pintado (Siluriformes: Pimelodidae), a new species of catfish from affluent rivers of Laguna Merín, Uruguay, South America

, 2008
We describe a new species of pimelodid catfish belonging to the genus Pimelodus from the Cebollatí, Tacuarí and Yaguarón rivers emptying into the Laguna Merín, Uruguay. Pimelodus pintado n. sp.
M. de las Mercedes Azpelicueta, J. Lundberg, M. Loureiro   +2 more
semanticscholar   +1 more source

Hidrolisados proteicos em dietas para larvas de peixes

, 2014
O objetivo do presente trabalho foi avaliar o efeito de diferentes hidrolisados proteicos na larvicultura dejundia (Rhamdia voulezi) e mandi (Pimelodus britskii) sobre o desempenho zootecnico.
Vanessa Lewandowski, C. Sary, J. Schuller, F. Dieterich, A. Feiden, A. Signor, Wilson Rogério Boscolo   +6 more
semanticscholar   +1 more source

Diversity and community ecology of metazoan parasites in Pimelodus ornatus (Siluriformes: Pimelodidae) from the Amazonas River in Brazil.

Revista brasileira de parasitologia veterinaria = Brazilian journal of veterinary parasitology : Orgao Oficial do Colegio Brasileiro de Parasitologia Veterinaria, 2021
The present study investigated the metazoan parasite community in Pimelodus ornatus from the Amazon River, in the state of Amapá (Brazil). Of 71 fish examined, 70.4% were parasitized by Demidospermus sp.
E. S. Lima, M. S. Oliveira, M. Tavares‐Dias   +2 more
semanticscholar   +1 more source

Qualitative and quantitative study of parasites of Pimelodus maculatus and Rhamdia quelen from the Jacaré-Pepira River, state of São Paulo, Brazil.

Anais da Academia Brasileira de Ciências, 2021
In the freshwater ecosystems of Brazil can be found high biodiversity of fish, about 5160 species. However, the Jacaré-Pepira River, located in the state of São Paulo, Brazil, presents a diversity of fish still to be explored in ichthyological studies ...
D. C. Negrelli, J. Iannacone, V. Abdallah, R. K. D. Azevedo   +3 more
semanticscholar   +1 more source

Development of microsatellite loci and population genetics of the catfish Pimelodus yuma (Siluriformes: Pimelodidae)

, 2021
Pimelodus yuma (formerly Pimelodus blochii) is a freshwater fish, endemic to the Colombian Magdalena-Cauca and Caribbean basins that experiences habitat disturbances resulting from anthropogenic activities.
Cristhian Danilo Joya, R. M. Landínez-García, E. Márquez   +2 more
semanticscholar   +1 more source

Molecular Evidence Reveals Taxonomic Uncertainties and Cryptic Diversity in the Neotropical Catfish of the Genus Pimelodus (Siluriformes: Pimelodidae)

Biology
Simple Summary The catfish of the genus Pimelodus are amply distributed in the Neotropical region, although the species-level taxonomy and phylogenetic relationships of these fish are still poorly resolved.
D. Limeira Filho, Elidy Rayane de Rezende França, Dalton Kaynnan de Prado Costa, Renato Corrêia Lima, M. H. S. Nascimento, Jacqueline da Silva Batista, M. C. Barros, E. Fraga   +7 more
semanticscholar   +1 more source