Olivaichthys cuyanus (Ringuelet, 1965)

Family:  Diplomystidae (Velvet catfishes)
Max. size:  21.8 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Colorado River and tributaries; Desaguadero-Salado basin, including the rivers San Juan, Mendoza, Tunuyán and temporary environments connected to those rivers.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-6; Anal spines: 4-5; Anal soft rays: 9-11; Vertebrae: 41-44
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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