Spotless catshark (Bythaelurus immaculatus) fish species and information / pictures of Spotless catshark - Bythaelurus immaculatus

Spotless catshark (Bythaelurus immaculatus) fish species information

Scientific Name
Bythaelurus immaculatus

Common Name
Spotless catshark

Biology
Found on the continental slope. Just recently described. Not utilized at present.

Classification

Classified By

Chu & Meng, 1982

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: only known from the South China Sea at about 380 to 400 km east of Hainan Island Occurrence in the Western Central Pacific uncertain, marginal in the South China Sea (Ref. 11146). For unavailability of material to be examined, the generic placement and recognition of this species is provisional.

Range

20°N - 17°N

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

534 m

Depth To - meters

1020 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 534 - 1020 m

Trophic Level

4.41 s.e. 0.55 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

71.0 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 (44 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)