Australian angelshark (Squatina australis) fish species and information / pictures of Australian angelshark - Squatina australis

Australian angelshark (Squatina australis) fish species information

Scientific Name
Squatina australis

Common Name
Australian angelshark

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 0; Anal spines: 0; Anal soft rays: 0. Numerous dark spots on lower lobe of caudal fin (Ref. 31369). Pectoral fins greatly enlarged, with broad triangular lobe extending forward from their bases on either side of the gill slits; pelvic fins enlarged and wing-like; caudal very short, nearly symmetrical but not lunate, its lower lobe slightly longer than the upper (Ref. 31369).

Classification

Classified By

Regan, 1906

Class

Sharks and Rays (Elasmobranchii)

Order

Angel sharks (Squatiniformes)

Family

Angel sharks (Squatinidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: southern Australia (including New South Wales).

Range

18°S - 41°S, 113°E - 150°E

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

15 m

Depth To - meters

256 m

Zone

demersal

Environment

Marine; demersal; depth range 15 - 256 m (Ref. 54902)

Trophic Level

3.99 s.e. 0.66 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

152 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

Fisheries: minor commercial

Vulnerability

High to very high vulnerability (71 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Threat To Humans

Traumatogenic

IUCN Red List Status

Least Concern (LC)