Olivaichthys viedmensis (MacDonagh, 1931)
Otuno
Olivaichthys viedmensis
photo by Ng, H.H.

Family:  Diplomystidae (Velvet catfishes)
Max. size:  32.4 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Negro River and tributaries in Argentina.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-6; Anal spines: 4-5; Anal soft rays: 8-11; Vertebrae: 41-43
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 02 June 2022 Ref. (130435)
Threat to humans:  harmless


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