Results 1 to 10 of about 534 (106)

Two new species of Pseudopimelodus Bleeker, 1858 (Siluriformes: Pseudopimelodidae) from the Magdalena Basin, Colombia [PDF]

PeerJ, 2020
The family Pseudopimelodidae is widely distributed in South America and includes 51 described species organized in seven genera. Only two of four species of the genus Pseudopimelodus have been recorded for the trans-Andean basins of Colombia ...
Ana M. Restrepo-Gómez, José D. Rangel-Medrano, Edna J. Márquez, Armando Ortega-Lara   +3 more
doaj   +3 more sources

Ancient genetic divergence in bumblebee catfish of the genus Pseudopimelodus (Pseudopimelodidae: Siluriformes) from northwestern South America [PDF]

PeerJ, 2020
Pseudopimelodus is a Neotropical genus of bumblebee catfish, composed of four valid species occurring in both trans- and cis-Andean rivers of South America.
José D. Rangel-Medrano, Armando Ortega-Lara, Edna J. Márquez   +2 more
doaj   +3 more sources

The complete mitochondrial genome of Pseudopimelodus schultzi Dahl 1955 (Siluriformes, Pseudopimelodidae) and its phylogenetic position within Pseudopimelodidae [PDF]

Mitochondrial DNA. Part B. Resources, 2021
The complete mitochondrial DNA genome of Pseudopimelodus schultzi was first was determined in this study. The entire length of mitochondrial genome consists of 13 protein-codinggenes (PCG), 2 ribosomal RNA genes (rRNA), and 22 transfer RNA (tRNA) genes ...
Hanwei Yang, Xiuhui Ma
doaj   +2 more sources

Cephalic Musculature of the Pacman Catfish Lophiosilurus alexandri Steindachner, 1876 (Siluriformes, Pseudopimelodidae). [PDF]

J Morphol
The head of the Pacman catfish (Lophiosilurus alexandri [L. alexandri]) is strongly depressed, broad, and with a large mouth, roughly resembling those of Lophius piscatorius and Chaca bankanensis. Also, they are bottom dwellers and have ambush behavior for fish predation.
da Silva Marques R, Ohara I, Shibatta OA.   +2 more
europepmc   +2 more sources

Cytogenetic analysis of three catfish species of the family Pseudopimelodidae (Teleostei, Siluriformes) [PDF]

Genetics and Molecular Biology, 2008
Cytogenetic analyses performed in Cephalosilurus apurensis, Microglanis aff. cottoides and Pseudopimelodus bufonius revealed that the three species have 2n = 54 chromosomes: C.
Emanuel Ricardo Monteiro Martinez, Mauro Nirchio, Angel Granado, Fausto Foresti, Claudio Oliveira   +4 more
doaj   +2 more sources

Espécies de peixes ameaçadas de extinção no Parque Nacional do Iguaçu [PDF]

Biodiversidade Brasileira, 2017
Avaliamos a ocorrência e a distribuição de espécies de peixes ameaçadas de extinção em uma das 326 unidades de conservação (UC) federais brasileiras, o Parque Nacional (PARNA) do Iguaçu.
Lucileine de Assumpção, Sergio Makrakis, Patrícia Sarai da Silva, Maristela Cavicchioli Makrakis   +3 more
doaj   +5 more sources

Conservation threats and future prospects for the freshwater fishes of Ecuador: A hotspot of Neotropical fish diversity. [PDF]

J Fish Biol, 2021
ABSTRACT Freshwater fish communities in Ecuador exhibit some of the highest levels of diversity and endemism in the Neotropics. Unfortunately, aquatic ecosystems in the country are under serious threat and conditions are deteriorating. In 2018–19, the government of Ecuador sponsored a series of workshops to examine the conservation status of Ecuador's ...
Aguirre WE, Alvarez-Mieles G, Anaguano-Yancha F, Burgos Morán R, Cucalón RV, Escobar-Camacho D, Jácome-Negrete I, Jiménez Prado P, Laaz E, Miranda-Troya K, Navarrete-Amaya R, Nugra Salazar F, Revelo W, Rivadeneira JF, Valdiviezo Rivera J, Zárate Hugo E.   +15 more
europepmc   +2 more sources

Ichthyological diversity of Inambari River, Madre de Dios, Peru [PDF]

Revista Peruana de Biología, 2008
The main purposes of this study were to know the diversity of fishes in the Inambari river basin, at Mazuco district, (Madre de Dios) and the state of conservation of the aquatic habitats.
Vanessa Palacios, Hernán Ortega
doaj   +4 more sources

Development of habitat suitability criteria for Neotropical stream fishes and an assessment of their transferability to streams with different conservation status [PDF]

Neotropical Ichthyology
We assessed the preference of 10 fish species for depth and velocity conditions in forested streams from southeastern Brazil using habitat suitability criteria (HSC curves).
Fabrício Barreto Teresa, Lilian Casatti
doaj   +2 more sources

Description and phylogenetic position of a new species of Rhyacoglanis (Siluriformes: Pseudopimelodidae) from the Jamanxim River basin [PDF]

Neotropical Ichthyology, 2023
In this study, a new species of Rhyacoglanis is described from the Jamanxim River basin, Tapajós River basin. The new species differs from congeners based on the combination of the following diagnostic characters: two oblique dark bands formed by an ...
Jefferson Luan Crispim-Rodrigues, Gabriel de Souza da Costa e Silva, Oscar Akio Shibatta, Mariana Kuranaka, Claudio Oliveira   +4 more
doaj   +1 more source