Cocosoda catfish (Pseudauchenipterus nodosus) fish species and information / pictures of Cocosoda catfish - Pseudauchenipterus nodosus

Cocosoda catfish (Pseudauchenipterus nodosus) fish species information

Scientific Name
Pseudauchenipterus nodosus

Common Name
Cocosoda catfish

Biology
Dorsal spines (total): 1; Dorsal soft rays (total): 6; Anal spines: 0; Anal soft rays: 20 - 25. Body is thick compared to that of Auchenipterus. Snout is very rounded, with a recessed lower jaw. The moderately large eyes are lateral in position. The zigzag lateral line is complete. The branchiospines are short and numerous. The caudal fin has 17 spines (Ref. 35381).

Classification

Classified By
Bloch, 1794
Class
Ray-finned fishes (Actinopterygii)
Order
Catfish (Siluriformes)
Family
Driftwood catfishes (Auchenipteridae)

Distribution

Region
South America
Distribution
South America: Lower reaches of rivers and into estuaries from Venezuela to Brazil, at least to Bahia, including southern Trinidad.
Range
Unknown

Environment

Climate
Tropical
Water Temperature From
20 °C
Water Temperature To
25 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; brackish; ; pH range: 6.5 - 8.0; dH range: ? - 30 demersal
Trophic Level
2 s.e. 0.00 Based on food items.
Occurs in Marine / Salt water
False
Occurs in Brackish water
True
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
22.0 cm
Common Length
25.0 cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial; bait: usually
Vulnerability
Low vulnerability (17 of 100)
Resilience
Unknown
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated