Atacama grenadier (Nezumia pudens) fish species and information / pictures of Atacama grenadier - Nezumia pudens

Atacama grenadier (Nezumia pudens) fish species information

Scientific Name
Nezumia pudens

Common Name
Atacama grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Head relatively compressed laterally, surfaces smoothly rounded, suborbital ridge low; snout short, blunt and narrow, terminal and lateral angles not especially set off from adjacent scales. Head completely scaled except for strip ventromedian on snout and ventral margin of suborbital region. Pyloric caeca about 35 to 45. Overall color is medium brown, blackish ventrally; fins, gill membranes, and linings of the mouth and gullet also blackish; first dorsal fin slightly paler near base.

Classification

Classified By
Gilbert & Thompson, 1916
Class
Ray-finned fishes (Actinopterygii)
Order
Cods (Gadiformes)
Family
Grenadiers or rattails (Macrouridae)

Distribution

Region
Southeast Pacific
Distribution
Southeast Pacific: central Chile.
Range
30°S - 39°S, 78°W - 72°W

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
580 m
Depth To - meters
1238 m
Zone
bathydemersal
Environment
Marine; bathydemersal; non-migratory; depth range 580 - 1238 m (Ref. 1371)
Trophic Level
3.36 s.e. 0.44 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
40.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
Moderate to high vulnerability (45 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated