Otuno (Olivaichthys viedmensis) fish species and information / pictures of Otuno - Olivaichthys viedmensis

Otuno (Olivaichthys viedmensis) fish species information

Scientific Name
Olivaichthys viedmensis

Common Name
Otuno

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 6; Anal spines: 4 - 5; Anal soft rays: 8 - 11; Vertebrae: 41 - 43

Classification

Classified By
MacDonagh, 1931
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Velvet catfishes (Diplomystidae)

Distribution

Region
South America
Distribution
South America: Negro River and tributaries in Argentina.
Range
Unknown

Environment

Climate
Subtropical
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
3.4 s.e. 0.43 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
32.4 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.6406 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Low to moderate vulnerability (30 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated