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Myliobatis australis  Macleay, 1881

Australian bull ray
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Myliobatis australis   AquaMaps   Data sources: GBIF OBIS
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Image of Myliobatis australis (Australian bull ray)
Myliobatis australis
Picture by Danna, P.


Australia country information

Common names: Bull-ray, Cowfish, Cowray
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Occurs in southern Australia, from Jurien Bay in Western Australia to Moreton Bay in Queensland, including South Australia, Victoria, Tasmania, and New South Wales (Ref. 9862).
National Checklist:
Country Information: httpss://www.cia.gov/library/publications/resources/the-world-factbook/geos/as.html
National Fisheries Authority: https://www.csiro.au/
Occurrences: Occurrences Point map
Main Ref: Last, P.R. and J.D. Stevens, 1994
National Database:

Classification / Names

Elasmobranchii (sharks and rays) > Myliobatiformes (Stingrays) > Myliobatidae (Eagle and manta rays) > Myliobatinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 120 cm WD male/unsexed; (Ref. 6871); max. published weight: 56.5 kg (Ref. 40637)

Environment

Marine; reef-associated; depth range 1 - 85 m (Ref. 9862)

Climate / Range

Subtropical; 27°S - 43°S

Distribution

Eastern Indian Ocean: southern Australia, from Western Australia to Queensland. Possibly occurring off New Zealand.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Biology     Glossary (e.g. epibenthic)

Commonly found off beaches and over sand flats in shallow water. Also found offshore down to 85 m (Ref. 9862). Feeds mainly on crabs and shellfish (Ref. 6871). Ovoviviparous (Ref. 50449).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Venomous



Human uses

Gamefish: yes

More information

Common names
Synonyms
Metabolism
Predators
Ecotoxicology
Reproduction
Maturity
Spawning
Fecundity
Eggs
Egg development
Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
Strains
Genetics
Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Otoliths
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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5002 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.6   ±0.55 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 vulnerability (60 of 100)
Price category (Ref. 80766)
Medium