Portal de Periódicos da CAPES

Astyanax pampa (Characiformes, Characidae), a

2005; Natural History Museum of Geneva; Volume: 112; Linguagem: Inglês

10.5962/bhl.part.80305

0035-418X

Jorge Rafael Casciotta, Adriana Almirón, María de las Mercedes Azpelicueta,

Fish Ecology and Management Studies

Astyanax pampa (Characif ormes, Characidae), a new species from the southernmost boundary of 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 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).