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

被引：21

作者：

Casciotta, JR ^{[1
]}

Almirón, AE ^{[1
]}

Azpelicueta, MD ^{[1
]}

机构：

[1] Fac Ciencias Nat & Museo, Div Zool Vertebrados, RA-1900 La Plata, Argentina

来源：

REVUE SUISSE DE ZOOLOGIE | 2005年 / 112卷 / 02期

关键词：

Freshwater fishes; characids; Buenos aires; systematics;

D O I：

10.5962/bhl.part.80305

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Astyanax pampa (Characiformes, 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).

引用

页码：401 / 408

页数：8

共 50 条

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