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Squatina australis  Regan, 1906

Australian angelshark
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Native range | All suitable habitat | Point map | Year 2100
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Squatina australis   AquaMaps   Data sources: GBIF OBIS
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Image of Squatina australis (Australian angelshark)
Squatina australis
Picture by FAO


Australia country information

Common names: Angel shark, Angelshark, Australian angel shark
Occurrence: endemic
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in southern Australia, from Rottnest I. in Western Australia to Tasmania and Sydney, New South Wales (Ref. 6871). Common in the Bass Strait and off surf beaches along the east coast. Sold in Sydney and Melbourne markets as angel shark or flake (Ref. 6871). Also Ref. 247, 7300, 31369.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Squatiniformes (Angel sharks) > Squatinidae (Angel sharks)
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 152 cm TL male/unsexed; (Ref. 247)

Environment

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

Climate / Range

Temperate; 18°S - 41°S, 113°E - 150°E (Ref. 54902)

Distribution

Eastern Indian Ocean: southern Australia (including New South Wales).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

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).

Biology     Glossary (e.g. epibenthic)

A common but little-known angelshark found on the continental shelf and uppermost slope, on or near the bottom (Ref. 247, 75154). Occurs from close inshore to 130 m depth (Ref. 31369, 6871). Feeds mainly on small fishes and crustaceans (Ref. 6871). Ovoviviparous (Ref. 247). Flesh is highly esteemed (Ref. 6871).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Traumatogenic



Human uses

Fisheries: minor commercial

More information

Common names
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Predators
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Internet sources

BHL | BOLDSystems | Check for other websites | Check FishWatcher | CISTI | DiscoverLife | ECOTOX | FAO(fisheries: species profile; publication : search) | GenBank(genome, nucleotide) | GOBASE | Google Books | Google Scholar | Google | IGFA World Record | iSpecies | PubMed | Scirus | Sea Around Us | SeaLifeBase | Tree of Life | uBio | uBio RSS | Wikipedia(Go, Search) | World Records Freshwater Fishing | Zoological Record | Fishtrace

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.0   ±0.66 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be <100)

Vulnerability (Ref. 59153)
High to very high vulnerability (71 of 100)
Price category (Ref. 80766)
Medium