Results 61 to 70 of about 7,850 (167)

Una nueva especie de pez del género Hemibrycon (Characiformes: Characidae) [PDF]

, 2006
Una nueva espécie de pez del Género Hemibrycon (Characiformes: Characidae). Hemibrycon pautensis (Characiformes, Characidae), una nueva especie de peces de río Paute, se describe este de Ecuador.
Ruiz C., Raquel I., Barriga, Ramiro, Román-Valencia, César   +2 more
core  

Phylogenetic study of the Characinae (Teleostei: Characiformes: Characidae)

, 2012
Mattox, George M. T., Toledo-Piza, Mônica (2012): Phylogenetic study of the Characinae (Teleostei: Characiformes: Characidae). Zoological Journal of the Linnean Society 165 (4): 809-915, DOI: 10.1111/j.1096-3642.2012.00830.x, URL: http://dx.doi.org/10 ...
Toledo-Piza, Mônica, Mattox, George M. T.   +1 more
core   +1 more source

Fossil freshwater fishes from the Pliocene of northern Colombia and the palaeogeography of northern South America

Papers in Palaeontology, Volume 12, Issue 4, July/August 2026.
Abstract Freshwater fishes from the northwestern Colombian Andes are reported from the Pliocene Sincelejo and Ware formations. A total of 10 taxa have been identified, involving two orders, five families and nine genera. Characters from dental morphology, fin spines and cranial bones are provided as taxonomic tools for the study of fossil fishes.
Gustavo A. Ballen, Camilo Montes, Jorge D. Carrillo‐Briceño, Sergio Bogan, Sandra Reinales, Mario C. C. de Pinna, Carlos Jaramillo   +6 more
wiley   +1 more source

Monopisthocotyla (Platyhelminthes, Neodermata) parasites from Brycon cephalus (Günther, 1869) from the Moa River, state of Acre, Brazil [PDF]

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During studies on parasites of fishes from Moa River, state of Acre, five species of Dactylogyridae were identified parasitizing Brycon cephalus (Günther, 1869): Anacanthorus elegans Kritsky, Thatcher & Kayton, 1979, Anacanthorus ...
Marcia Cristina Nascimento Justo, Williane Maria Oliveira Martins, Simone Chinicz Cohen   +2 more
doaj   +3 more sources

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

Freshwater 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, Lucas P. Oliveira, Naraiana L. Benone, Jean C. G. Ortega, Antonio A. Jardim Jr, Lídia B. Seabra, Fabiano Corrêa, Lisandro J. S. Vieira, Robert M. Hughes, Luciano F. A. Montag   +9 more
wiley   +1 more source

A New Hyphessobrycon (ostariophysi: Characiformes: Characidae) From The Middle Amazon Basin, Brazil

, 2015
Hyphessobrycon montagi, new species, is described from tributaries of the Rio Arapiuns, a left margin affluent of the lower Rio Tapajós, Amazon basin, Pará, Brazil.
Coutinho D.P., Lima F.C.T., Wosiacki W.B.   +2 more
core   +1 more source

Diversidade genética entre populações de Moenkhausia e Hemigrammus (Pisces: Characiformes) [PDF]

, 2014
Orientador: Prof. Dr. Alberto José PrioliCoorientadora: Prof.ª Dr.ª Sônia Maria Alves Pinto PrioliDissertação (mestrado em Biologia Comparada) - Universidade Estadual de Maringá, 2014Os peixes da ordem Characiformes estão entre os mais diversos e ...
Mota, Thais Fernandes Mendonça
core   +1 more source

Characiformes

, 2008
Order Characiformes Family Anostomidae Leporinus friderici Kritskyia eirasi (BR) Leporinus lacustris Kritskyia eirasi (BR) Leporinus obtusidens Urocleidoides paradoxus (AR) Family Characidae Astyanax fasciatus Palombitrema ...
Kohn, Anna, Cohen, Simone C.
core   +1 more source

Leucismo en el pez Lebiasina bimaculata (Characiformes: Lebiasinidae) en Guayas, Ecuador

, 2018
El leucismo es una aberración cromática poco frecuente, manifestada por la ausencia total o parcial de melanina en la piel. Este estudio reporta un caso de leucismo en el pez Lebiasina bimaculata (Characiformes: Lebiasinidae), en el río Chongón, Ecuador.
Nugra, Fredy, Arízaga, Christian, Anaguano-Yancha, Fernando, Zárate, Edwin, Brito, Jorge   +4 more
core  

Phylogenetic relationships of the order Characiformes (Teleostei: Ostariophysi)

, 2007
A ordem Characiformes é uma diversa ordem de peixes compreendendo 18 famílias, aproximadamente 270 gêneros e mais de 1700 espécies. Representantes desta ordem possuem ampla distribuição em águas continentais do sul dos Estados Unidos, México, Américas ...
Cristiano Luís Rangel Moreira, Moreira, Cristiano Luís Rangel   +1 more
core   +1 more source