📖 Overview
Commonly found off beaches and over sand flats in shallow water. Also found offshore down to 85 m . Feeds mainly on crabs and shellfish . Ovoviviparous .
Scientific Name
Myliobatis australis
🐟 Physical Description
Physical description for Australian bull ray is currently being
compiled.
🌀 Behaviour
Behavioural data for Australian bull ray is currently being
reviewed.
🦐 Diet
aquatic invertebrates
small fish
algae
detritus
🥚 Reproduction
🐣 Oviparous
📦 Batch Spawner
Spawning Season
spring-summer
🌍 Habitat & Distribution
Marine; reef-associated; depth range 1 - 85 m . Subtropical; 27°S - 43°S Indian Ocean: southern Australia, from Western Australia to Queensland.
🌿 Ecology
Zone Preferences
🌊 Marine
🪸 Reef Associated
Food Items
crabs and shellfish (Ref
📐 Morphometrics
Length–Weight Relationship:
W = 0.00389 × L3.09
(TL)
🌡️ Water Parameters & Tolerance
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
61.00/100
High vulnerability
Trophic Level
3.4
Predator
Described By
Macleay, 1881
⚠️ Venom Profile
Medical Warning: This species is venomous. Seek immediate medical attention
if envenomated.
Contact emergency services and follow first aid guidance below.
Venom Type
proteinaceous neurotoxin
Delivery
dorsal, anal, and pelvic fin spines
Antivenom
✗ Not Available
Named Toxins
high-molecular-weight protein (Stonustoxin analogue)
acetylcholine
Symptoms
- immediate intense pain
- swelling
- erythema
- occasional nausea and weakness
Affected Body Systems
peripheral nervous system
cardiovascular
First Aid
Immerse affected area in hot water (45 C, tolerable) for 30-90 minutes to denature toxin. Do not apply ice.
Medical Treatment
Analgesia; wound care; tetanus prophylaxis; severe cases may require monitoring for systemic effects.
References:
Compiled from Bhide (2018), Halstead et al. (1988) and family-specific envenomation literature
🎣 Angling Guide
Fight Rating
strong pulls with head-shakes
Best Seasons
spring,summer,fall
Best Time
incoming tide, dawn and dusk
Rod Type
medium-heavy spinning
Catch & Release
✓ Recommended
Best Months
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Techniques
bottom fishing
popping cork
soft plastics
live bait
Bait & Lures
live shrimp
cut mullet
soft plastic paddle-tails
popping corks
Recommended Tackle
-
medium-heavy 7ft spinning rod
-
30-50 lb braid
-
fluorocarbon leader
Where to Find Them
-
grass flats
-
oyster bars
-
marsh drains
-
deeper channel edges
Tips & Tricks
Popping cork technique attracts fish from distance. Fish moving tides.
Catch & Release Tips
Use barbless hooks, minimise air exposure, and revive fish head-first in current before release.
Regulations Summary
⚠️
Slot limits protect breeding-size fish. Verify daily bag limits.
🗺️ Global Occurrence Map
Occurrence records from the Global Biodiversity Information Facility (GBIF) - 1 records indexed
.