Roughsnout grenadier (Trachyrincus scabrus) fish species and information / pictures of Roughsnout grenadier - Trachyrincus scabrus

Roughsnout grenadier (Trachyrincus scabrus) fish species information

Scientific Name
Trachyrincus scabrus

Common Name
Roughsnout grenadier

Biology
Snout long, narrow, sharply pointed. Dorsal scute row striating from just behind the head and extending to about behind a vertical through the anus, with more than 20 scute. Ventral scute row not reaching anus. Scute keels generally smooth blade-like, without multicuspid tips in small individuals (

Classification

Classified By

Rafinesque, 1810

Class

Ray-finned fishes (Actinopterygii)

Order

Cods (Gadiformes)

Family

Grenadiers or rattails (Macrouridae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Irish slope to Cape Verde, including the Mediterranean. Occurrence in southern Africa is based only on specimens from off Namibia and not 'west coast of South Africa' as reported by Iwamoto 1986 (Ref. 2800 in FishBase) (Ref. 11953).

Range

55°N - 27°S, 26°W - 36°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

395 m

Depth To - meters

1700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; non-migratory; depth range 395 - 1700 m (Ref. 3587)

Trophic Level

3.47 s.e. 0.49 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

60.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: minor commercial

Vulnerability

Low to moderate vulnerability (34 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22-0.35)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated