Scientific Name
Coryphaenoides acrolepis

Common Name
Pacific grenadier

Biology
A benthopelagic mid-slope species, that appears to wander off slope bottoms into midwater (Ref. 1371). Adults feed on small fish, euphausiids, prawns, amphipods and cephalopods (Ref. 1371). Oviparous, with planktonic larvae (Ref. 36385).

Classification

Classified By

Bean, 1884

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

North Pacific

Distribution

North Pacific: northern Japan to Okhotsk and Bering seas, south along North American coasts to northern Mexico.

Range

62°N - 28°N, 134°E - 115°W

Environment

Climate

Deep-water

Water Temperature From

1 °C

Water Temperature To

4 °C

Depth From - meters

300 m

Depth To - meters

3700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; non-migratory; depth range 300 - 3700 m (Ref. 50550), usually 900 - 1300 m (Ref. 56476)

Trophic Level

3.8 s.e. 0.54 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

104 cm

Common Length

46.9 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: commercial

Vulnerability

Very high vulnerability (79 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (K=0.02-0.04; tmax=73)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated