Largespine velvet dogfish (Centroscymnus macracanthus) fish species and information / pictures of Largespine velvet dogfish - Centroscymnus macracanthus

Largespine velvet dogfish (Centroscymnus macracanthus) fish species information

Scientific Name
Centroscymnus macracanthus

Common Name
Largespine velvet dogfish

Biology
Dorsal spines (total): 2; Anal spines: 0; Anal soft rays: 0. Dark brown or blackish in color, dorsal fins with fairly prominent fin spines, moderately long snout, lanceolate upper teeth and bladelike lower teeth with short, oblique cusps, stocky body that tapers abruptly from pectoral region, and moderately large tricuspidate and tricarinate lateral trunk denticles (Ref. 247).

Classification

Classified By

Regan, 1906

Class

Sharks and Rays (Elasmobranchii)

Order

Bramble, Sleeper and Dogfish sharks (Squaliformes)

Family

Sleeper sharks (Somniosidae)

Distribution

Region

Southeast Pacific

Distribution

Southeast Pacific: Straits of Magellan. Southwest Pacific: New Zealand (Ref. 26346). Southwest Atlantic: Argentina (Ref. 58839).

Range

50°S - 54°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

650 m

Depth To - meters

920 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 650 - 920 m (Ref. 26346)

Trophic Level

3.98 s.e. 0.52 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

68.0 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: of no interest

Vulnerability

Moderate to high vulnerability (49 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)