Astyanax pampa (Characiformes, Characidae), a new species from the southernmost boundary of the Brazilian subregion, Argentina

Astyanax pampa sp. n., the new species of characid described herein, is known from arroyo Las Mostazas, an Atlantic Ocean drainage, and the lower rio Colorado basin. Astyanax pampa sp. n. is distinguished from all other Astyanax species by the possession of 17-20 branched anal-fin rays, one maxillar...

Descripción completa

Guardado en:
Detalles Bibliográficos
Autores principales: Casciotta, Jorge Rafael, Almirón, Adriana Edith, Azpelicueta, María de las Mercedes
Formato: Articulo
Lenguaje:Inglés
Publicado: 2005
Materias:
Acceso en línea:http://sedici.unlp.edu.ar/handle/10915/83162
Aporte de:
Descripción
Sumario:Astyanax pampa sp. n., the new species of characid described herein, is known from arroyo Las Mostazas, an Atlantic Ocean drainage, and the lower rio Colorado basin. Astyanax pampa sp. n. is distinguished from all other Astyanax species by the possession of 17-20 branched anal-fin rays, one maxillary tooth unicuspidate to tricuspidate, short anal-fin base (24.2-30.3% of SL), and long caudal peduncle (10.5-12.7% of SL).