Birdbeak dogfish (Deania calcea) fish species and Birdbeak dogfish information

Scientific Name
Deania calcea

Common Name
Birdbeak dogfish

Biology
Found on the outer continental and insular shelves and upper slopes (Ref. 247). Usually on or near the bottom but sometimes found well above it (Ref. 5578). Apparently in large schools (Ref. 5578). Feeds on pelagic bony fish, squid, octopus and shrimp (Ref. 5578). Ovoviviparous (Ref. 50449). Caught very rarely by demersal longline fisheries operating in deepwater of Indonesia. Utilized for its meat, fins (low value) and liver oil (very high value) (Ref.58048).

Classification

Classified By

Lowe, 1839

Class

Sharks and Rays (Elasmobranchii)

Order

Bramble, Sleeper and Dogfish sharks (Squaliformes)

Family

Gulper sharks (Centrophoridae)

Distribution

Region

Eastern Atlantic

Distribution

Eastern Atlantic: Iceland along Atlantic slope to Algoa Bay, South Africa (Ref. 247, 5578). Western Pacific: southern Honshu in Japan, southern Australia, New Zealand. Occurrence in the Western Central Pacific uncertain (Ref. 31367). Eastern Pacific: southern Chile to northern Peru (Ref. 38549).

Range

65°N - 48°S, 180°W - 180°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

60 m

Depth To - meters

1490 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 60 - 1490 m (Ref. 26346), usually 400 - 1400 m (Ref. 10717)

Trophic Level

4.22 s.e. 0.65 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

122 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 (66 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (K=0.077-0.135; Fec=6-12; tm=25)

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)

Birdbeak dogfish (Deania calcea) fish species and information / pictures of Birdbeak dogfish - Deania calcea

Birdbeak dogfish (Deania calcea) fish species information

Classification

Distribution

Environment

Physical Size and Genetics

Human Uses and Population