Roughskin dogfish (Centroscymnus owstonii) fish species and information / pictures of Roughskin dogfish - Centroscymnus owstonii

Roughskin dogfish (Centroscymnus owstonii) fish species information

Scientific Name
Centroscymnus owstonii

Common Name
Roughskin dogfish

Biology
Found on upper continental slopes, on or near the bottom (Ref. 247). Feeds on fish and cephalopods (Ref. 6871). Ovoviviparous (Ref. 205), with 16- 28 young born at 27-30 cm (Ref. 26346). Flesh is high in mercury (Ref. 6871). Utilized as fishmeal and source of squalene (liver oil) (Ref. 6871). Maximum depth from Ref. 55584.

Classification

Classified By

Garman, 1906

Class

Sharks and Rays (Elasmobranchii)

Order

Bramble, Sleeper and Dogfish sharks (Squaliformes)

Family

Sleeper sharks (Somniosidae)

Distribution

Region

Western Central Atlantic

Distribution

Western Central Atlantic: northern Gulf of Mexico. Western Pacific: southeastern Honshu, Japan; Australia (including Western Australia) and New Zealand. Southeast Pacific: Amber Seamount, Nazca and Sala-y-Gomez.

Range

35°N - 45°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

100 m

Depth To - meters

1500 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 100 - 1500 m (Ref. 26346)

Trophic Level

4.5 s.e. 0.62 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

121 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

High vulnerability (64 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec=16-28)

Threat To Humans

Poisonous to eat (Ref. 6871)

IUCN Red List Status

Least Concern (LC)