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