Otuno

Olivaichthys viedmensis

Diplomystid Fish in the Amazon Basin

Tropical
Southern Hemisphere
Regional distribution
Freshwater fish
South America
Medium
Tropical fish

Diplomystes viedmensis, the Otuno, is a species of freshwater ray-finned fish belonging to the family Diplomystidae, the velvet catfishes. This fish is endemic to Argentina where it is found in the Rio Negro and tributaries. It reaches a maximum standard length of 32.4 cm (12.8 in).

Class: Teleosts
Order: Catfishes
Family: Diplomystidae
Genus: Olivaichthys
Maximum length: 32.4 cm
Water: Freshwater
Distribution: South America: Negro River and tributaries in Argentina.
Conservation status: DDData Deficient

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