New Zealand catshark (Bythaelurus dawsoni) fish species and information / pictures of New Zealand catshark - Bythaelurus dawsoni

New Zealand catshark (Bythaelurus dawsoni) fish species information

Scientific Name
Bythaelurus dawsoni

Common Name
New Zealand catshark

Biology
Found on the outer continental shelf and upper slope (Ref. 26346). Feeds on bottom crustaceans (Ref. 244).

Classification

Classified By

Springer, 1971

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: endemic to New Zealand.

Range

44°S - 53°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

50 m

Depth To - meters

1200 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 50 - 1200 m (Ref. 26346)

Trophic Level

3.39 s.e. 0.53 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

45.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5039 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

Low to moderate vulnerability (28 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)