Shoulderspot grenadier (Coelorinchus scaphopsis) fish species and information / pictures of Shoulderspot grenadier - Coelorinchus scaphopsis

Shoulderspot grenadier (Coelorinchus scaphopsis) fish species information

Scientific Name
Coelorinchus scaphopsis

Common Name
Shoulderspot grenadier

Biology
Dorsal spines (total): 2; Dorsal soft rays (total): 7-9; Anal spines: 0. Body tapering to a point posteriorly from behind the origin of the first dorsal fin. Head large; the eyes also large; the snout relatively short, its antero-lateral margin incompletely supported by bone, its terminal scute broad, blunt. Head ridges strong but not especially spiny; the underside of the snout, the ventral margins on the suborbital and mandible naked. Light organ large, lens-shaped. Overall color swarthy to grayish; the fins dusky to black; the mouth pallid; the gill cavity blackish, paler inwardly (Ref. 1371). A large, black, naked fossa midventrally on chest; anus at origin of the anal fin. Smooth second dorsal spine at all sizes (Ref. 26798). Branchiostegal rays: 6-6 (Ref. 36385).

Classification

Classified By

Gilbert, 1890

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: southern California and northern Gulf of California; probably also in outer slope waters of Baja California and mainland Mexico.

Range

37°N - 22°N, 123°W - 107°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

180 m

Depth To - meters

300 m

Zone

benthopelagic

Environment

Marine; benthopelagic; non-migratory; depth range 180 - 300 m (Ref. 9315)

Trophic Level

3.55 s.e. 0.55 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

34.0 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 (40 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