Circle-blotch pygmy swell shark (Cephaloscyllium circulopullum) fish species and information / pictures of Circle-blotch pygmy swell shark - Cephaloscyllium circulopullum

Circle-blotch pygmy swell shark (Cephaloscyllium circulopullum) fish species information

Scientific Name
Cephaloscyllium circulopullum

Common Name
Circle-blotch pygmy swell shark

Biology
Specimens were collected with bottom trawl nets (Ref. 75538).

Classification

Classified By

Yano, Ahmad & Gambang, 2005

Class

Sharks and Rays (Elasmobranchii)

Order

Ground sharks (Carcharhiniformes)

Family

Cat sharks (Scyliorhinidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: Malaysia and Brunei Darussalam.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

118 m

Depth To - meters

165 m

Zone

benthopelagic

Environment

Marine; benthopelagic; depth range 118 - 165 m (Ref. 75538)

Trophic Level

3.91 s.e. 0.57 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

37.8 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low to moderate vulnerability (25 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)