Astyanax chico Casciotta & Almirón, 2004
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Family:  Characidae (Characins), subfamily: Incertae sedis
Max. size: 
Environment:  benthopelagic
Distribution:  South America: rio San Franciso basin in Argentina.
Diagnosis:  Distinguished from other species of the genus by the following combination of characters: one maxillary tooth with 2 to 4 cusps; teeth of inner premaxillary row expanded distally, deep dentary bearing 7 teeth decreasing in size anteroposteriorly; males with hooks in all fins; 35-39 perforated scales in lateral series; iii-iv, 19-24 anal fin rays; and one humeral spot vertically elongated, a second lateral spot may be faint or well developed (Ref. 55793).
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (120744)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 10.11.05
Modified by: Bailly, Nicolas - 17.04.06

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