Longhead grenadier (Coelorinchus longicephalus) fish species and information / pictures of Longhead grenadier - Coelorinchus longicephalus

Longhead grenadier (Coelorinchus longicephalus) fish species information

Scientific Name
Coelorinchus longicephalus

Common Name
Longhead grenadier

Biology
Dorsal spines (total): 2; Anal spines: 0. Head large; eyes large; snout long, moderately pointed. Light organ small, apparent externally as a narrow blackish streak extending anteriorly from the anus to about midway between the pelvic insertions and the anal fin origin. Overall color is brown, bluish over trunk, with 5 or 6 broad saddle marks extending below the lateral line; the fins blackish, except for the whitish base and tip of the first dorsal fin; the mouth is bluish gray, the gill cavities black.

Classification

Classified By

Okamura, 1982

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Kyushu-Palau Ridge (Philippine Sea).

Range

30°N - 25°N, 131°E - 137°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

336 m

Depth To - meters

700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; non-migratory; depth range 336 - 700 m (Ref. 1371)

Trophic Level

3.72 s.e. 0.54 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

89.0 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: of potential interest

Vulnerability

High vulnerability (63 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated