Rough longnose dogfish (Deania hystricosa) fish species and information / pictures of Rough longnose dogfish - Deania hystricosa

Rough longnose dogfish (Deania hystricosa) fish species information

Scientific Name
Deania hystricosa

Common Name
Rough longnose dogfish

Biology
Found on the insular slopes. No record of food items. Ovoviviparous, size of litter not known but a female with 12 large eggs suggests moderate-sized litters.

Classification

Classified By

Garman, 1906

Class

Sharks and Rays (Elasmobranchii)

Order

Bramble, Sleeper and Dogfish sharks (Squaliformes)

Family

Gulper sharks (Centrophoridae)

Distribution

Region

Northeast Atlantic

Distribution

Northeast Atlantic: Madeira. Northwest Pacific: Japan.

Range

39°N - 54°S, 128°E - 17°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

600 m

Depth To - meters

1000 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 600 - 1000 m

Trophic Level

4.48 s.e. 0.81 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

84.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5625 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 to very high vulnerability (69 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec=12)

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)