Dusky catshark (Bythaelurus canescens) fish species and information / pictures of Dusky catshark - Bythaelurus canescens

Dusky catshark (Bythaelurus canescens) fish species information

Scientific Name
Bythaelurus canescens

Common Name
Dusky catshark

Biology
Found on the upper continental slopes primarily on mud, but also on rock bottoms. Feeds on bottom invertebrates. Oviparous, with a single egg per oviduct at a time. Not utilized at present.

Classification

Classified By

G?nther, 1878

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Southeast Pacific

Distribution

Southeast Pacific: Peru and Chile to the Straits of Magellan.

Range

9°S - 56°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

250 m

Depth To - meters

700 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 250 - 700 m (Ref. 244)

Trophic Level

3.5 s.e. 0.37 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

70.0 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

Moderate vulnerability (40 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)