Astyanax latens Mirande, Agulera & Azpelicueta, 2004
Mirande, J.M., G. Agulera & M. Azpelicueta (2004):
A new species of Astyanax (Characiformes, Characidae) from the upper río Bermejo basin, Salta, Argentina.
Revue Suisse de Zoologie 111 (1): 213-223
abstract (from publication):
Astyanax latens sp.n., from the Bermejo river basin, is described in this paper. Astyanax latens is diagnosed by a combination of characters: somewhat rhomboidal body; presence of 24-29 branched anal fin rays; 1-4 maxillary teet; long pectoral fins (23.2-26.6 % of SL) always reaching one third of pelvic fin rays; long pelvic fins (17.6-22.0 & of SL) always surpassing anal fin origin; anal fin base long (32.3-36.7 & of SL); 26-27 gillrakers on first branchial arch; lateral band extremely narrow; one large vertically elongated humeral spot and a second one very faint; relatively shallow caudal peduncle (10.0-11.4 % of SL); fifth tooth of inner premaxillary series very small and scarcely posterior to main series; origin of anal fin below dorsal fin.