Olivaichthys mesembrinus
Olivaichthys mesembrinus (Ringuelet, 1982)
Olivaichthys mesembrinus
photo by Gosztonyi, A.E.


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Family:  Diplomystidae (Velvet catfishes)
Max. size:  16.8 cm SL (male/unsexed)
Environment:  demersal; freshwater
Distribution:  South America: Chubut and Senguer River basins in Argentina.
Diagnosis:  Dorsal spines (total): 2-2; Dorsal soft rays (total): 6-6; Anal spines: 5-5; Anal soft rays: 8-8; Vertebrae: 42-42
Biology: 
IUCN Red List Status: Not Evaluated (N.E.) Ref. (130435)
Threat to humans:  harmless


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