Unicorn grenadier (Coelorinchus productus) fish species and information / pictures of Unicorn grenadier - Coelorinchus productus

Unicorn grenadier (Coelorinchus productus) fish species information

Scientific Name
Coelorinchus productus

Common Name
Unicorn grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Head large; the eyes moderately large; the snout moderately long and pointed, its anterolateral margin completely supported by bone. Head ridges strong, supraoccipital scute developed, several similar single-keeled scutes follow on the nape; the underside of the head naked, except for a small patch below the preopercle angle. Body scales covered with dagger-like spinules in 3 to 5 slightly divergent rows. Light organ small, fossa narrow, extending forward immediately before the anus. Overall brownish to swarthy, silvery ventrally; the fins dusky to blackish; the mouth and gill cavities blackish.

Classification

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

Distribution

Region
Western Pacific
Distribution
Western Pacific: southern Japan, the East China Sea, and northern Taiwan.
Range
34°N - 24°N, 124°E - 139°E

Environment

Climate
Deep-water
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
271 m
Depth To - meters
600 m
Zone
bathydemersal
Environment
Marine; bathydemersal; non-migratory; depth range 271 - 600 m (Ref. 1371)
Trophic Level
3.52 s.e. 0.51 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
31.0 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 vulnerability (37 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