A new species of Hyphessobrycon (Characiformes, Characidae) from the Esteros del Iberá wetlands, Argentina

Hyphessobrycon auca sp. n. is described from the Esteros del Iberá wetlands. Hyphessobrycon auca differs from the remaining species of the genus by the presence of one maxillary tooth with 5 cusps; dentary low with teeth decreasing in size anteroposteriorly; males with hooks in all fins; mature fema...

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Detalhes bibliográficos
Autores: Almirón, Adriana Edith, Casciotta, Jorge Rafael, Bechara, José A., Ruiz Diaz, Federico J.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2004
País:Argentina
Recursos:Universidad Nacional de La Plata
Repositorio:SEDICI (UNLP)
Idioma:inglés
OAI Identifier:oai:sedici.unlp.edu.ar:10915/83355
Acesso em linha:http://sedici.unlp.edu.ar/handle/10915/83355
Access Level:acceso abierto
Palavra-chave:Zoología
Argentina
Characidae
Characiformes
Esteros del Iberá wetlands
Hyphessobrycon
New species
Descrição
Resumo:Hyphessobrycon auca sp. n. is described from the Esteros del Iberá wetlands. Hyphessobrycon auca differs from the remaining species of the genus by the presence of one maxillary tooth with 5 cusps; dentary low with teeth decreasing in size anteroposteriorly; males with hooks in all fins; mature females with hooks on pelvic-fin rays; one humeral spot vertically elongated, bounded by a light area; a second lateral spot may be faint or well developed; a wide lateral band ending in a conspicuous caudal spot.