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BIBTEX RIS

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

2004; Natural History Museum of Geneva; Volume: 111; Linguagem: Inglês

10.5962/bhl.part.80261

ISSN

0035-418X

Autores

Adriana Almirón, Jorge Rafael Casciotta, José A. Bechara, Florentina Díaz,

Tópico(s)

Fish Ecology and Management Studies

Resumo

A new species of Hyphessobrycon (Characiformes, Characidae) from the Esteros del Ibera wetlands, Argentina.-Hyphessobryconauca sp.n. is described from the Esteros del Iberä 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.

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