Japanese pugnose grenadier (Nezumia condylura) fish species and information / pictures of Japanese pugnose grenadier - Nezumia condylura

Japanese pugnose grenadier (Nezumia condylura) fish species information

Scientific Name
Nezumia condylura

Common Name
Japanese pugnose grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Snout short, blunt; terminal and lateral scutes large, blunt; undersides of snout, mandible, most of the suborbital, and part of the lower margin of the preopercle naked. Body scales with sharp, slender spinules in 4 to 16 parallel rows. Pyloric caeca 25 to 28. Overall color is brown; abdomen bluish; gill membranes blackish; fins dusky, first dorsal fin blackish distally; oral and branchial linings blackish.

Classification

Classified By
Jordan & Gilbert, 1904
Class
Ray-finned fishes (Actinopterygii)
Order
Cods (Gadiformes)
Family
Grenadiers or rattails (Macrouridae)

Distribution

Region
Northwest Pacific
Distribution
Northwest Pacific: southern Japan and the East China Sea. Recently recorded from northeastern Taiwan (Ref. 54421).
Range
37°N - 23°N, 124°E - 140°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
200 m
Depth To - meters
720 m
Zone
bathydemersal
Environment
Marine; bathydemersal; non-migratory; depth range 200 - 720 m (Ref. 1371)
Trophic Level
3.28 s.e. 0.43 Based on food items.
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
21.0 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
Low to moderate vulnerability (29 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