Eastern angelshark

From Wikipedia, the free encyclopedia

This is an old revision of this page, as edited by Nightlight6 (talk | contribs) at 18:51, 17 April 2015 (added range map). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

Eastern angelshark
Scientific classification
Kingdom:
Phylum:
Class:
Subclass:
Order:
Family:
Genus:
Species:
S. albipunctata
Binomial name
Squatina albipunctata
Range of the Eastern angelshark

The Eastern angelshark (Squatina albipunctata) is an angel shark of the family Squatinidae.

Measurements

Born: 30 cm TL; Mature: ~ 91 cm (M), 107 cm (F) TL; Max: 110 cm (M), 130 cm (F) TL.

Identification

Colour: Are a yellow-brown to a chocolate-brown, obtains dense patterns of small white dark edged symmetrical spots, also with many large brownish blotches. Has white nuchal spot (no ocelli). Also has light unspotted unpaired fins. Body: Has a very short snout. Has concave interorbital space and heavy orbital thorns which can be distinguished from Squatina australis. The nasal barbels have extended tips and lobate fringes. Has low lateral head folds. The spiracles are close to the eyes, and are wider than eye-length. Obtains strong orbital thorns, and no medial row of predorsal thorns are shown.

Distribution & Range

Pacific: eastern Australia. Found between Cairns, Queensland and Lakes Entrance, Victoria. 17°S - 38°S.

Climate & Habitat

Tropical; Outer continental shelf and upper slope, benthopelagic, marine. Usually found in sand, 37-4 15 m down, but occasionally up to 60 m.

Behaviour

Unknown.

Biology

Diet: Probably feeds on bony fishes, crustaceans, and cephalopods. Reproduction: Up to 20 pups per litter.

Status

IUCN Red List: Vulnerable.

Threat to Humans

Harmless.

Resilience & Vulnerablity

Medium, minimum population doubling time 1.4 - 4.4 years; moderate to high vulnerability.

References