Peces Criollos - Freshwater Fishes of Argentina Peces Criollos - Freshwater Fishes of Argentina
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Astyanax endy sp.nov.


Astyanax endy, photo: Marcos Mirande


Astyanax endy, holotype (from publication)

new species:
Astyanax endy Mirande, Aguilera & Azpelicueta, 2006

type locality:
Argentina, Province of Salta, Orán, río Bermojo basin, tributary of río Bermejo in its intersection with Ruta Provincial 19, near Estancia Santa Rosa (22º43’18’’S, 64º24’13’’W; approximately 440 meters above sea level). Holotype: CI-FML 3834 (male, 55.8 mm SL)

further distribution in Argentina:
all from río Bermejo basin in province of Salta
- Orán, El Oculto, río Anta Muerta, tributary of río Blanco. Paratypes CI-FML 3836
- La Bambú, río Anta Muerta.
- Orán, Estancia Anta Muerta, río Pescado.
- Orán, río Santa María
- Orán, El Oculto, Arroyo El Oculto.

published in:
Mirande, J.M., G. Aguilera & M. Azpelicueta (2006):
Astyanax endy (Characiformes: Characidae), a new fish species from the upper Río Bermejo basin, northwestern Argentina.
Zootaxa 1286: 57-68

abstract (from publication):
Astyanax endy, new species, is described from the upper Río Bermejo basin. This species is distinguished from its congeners by the following combination of characters: markedly convex snout profile, deep body (36.6–42.2 % SL), relatively large orbital diameter (36.0–40.9 % HL), relatively short interorbital distance (31.9–37.6 % HL), deep caudal peduncle (11.7–14.1 % SL), long caudal peduncle (12.6–15.9 % SL), short upper-jaw length (34.4–40.2 % HL), maxilla scarcely reaching anterior margin of the eye, maxilla meeting mouth commissure at an oblique angle, 35–37 perforated scales in lateral line, 7/6 transverse scales, 17–24 branched anal-fin rays, tricuspidate or pentacuspidate teeth on outer premaxillary row, 1–2 tricuspidate or pentacuspidate maxillary teeth, 4 gradually decreasing dentary teeth followed by 1 intermediate and 3–6 small tricuspidate or conical teeth, and 19–21 gill-rakers in first branchial arch. A key for identification of the species of Astyanax from the Río Bermejo basin is provided.

CLOFFAR - 2nd edition

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Scleronema macanuda sp.nov. from Uruguay

Scleronema teiniagua sp.nov. from Uruguay

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Moenkhausia australis - confirmed for Argentina

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