Hollowsnout grenadier (Coelorinchus caelorhincus) fish species and information / pictures of Hollowsnout grenadier - Coelorinchus caelorhincus

Hollowsnout grenadier (Coelorinchus caelorhincus) fish species information

Scientific Name
Coelorinchus caelorhincus

Common Name
Hollowsnout grenadier

Biology
Dorsal spines (total): 0; Anal spines: 0. Eyes large; snout short, moderately pointed, its anterolateral margin incompletely supported by bone. Head ridges strong but with rather fine spinules; terminal snout scute trifid, wider than long, small and blunt to large and pointed, with a terminal and two lateral arms of about equal size. Underside of the snout naked medially. Light organ large, a black naked fossa between and slightly anterior to the pelvic fin bases. Overall color is pale grayish-brown to swarthy, with a series of broad saddle marks in some; oral cavity pale to dark (Ref. 1371). Spiny fin ray of first dorsal fin with a smooth and rounded leading edge (Ref. 35388).

Classification

Classified By

Risso, 1810

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Northeast Atlantic and Mediterranean Sea. A loose sort of southern limit for Caelorinchus caelorhincus caelorhincus is probably around Cape Verde; most specimens south and to the east into the Gulf of Guinea are likely to be Caelorinchus caelorhincus geronimoi (Iwamoto 1997, pers. Comm.). Northwest Atlantic

Distribution

Range

62°N - 18°S, 98°W - 17°W

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

90 m

Depth To - meters

1250 m

Zone

benthopelagic

Environment

Marine; benthopelagic; non-migratory; depth range 90 - 1250 m (Ref. 27000), usually 200 - 500 m (Ref. 1371)

Trophic Level

3.6 s.e. 0.59 Based on diet studies.

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

48.0 cm

Common Length

30.0 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 to high vulnerability (54 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (K=0.13-0.15; tmax=8)

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)