🌊 Marine
Least Concern
🌡️ Deep-water
Heald's skate
Dentiraja healdi Last, White & Pogonoski, 2008
📖 Overview
Inhabits upper continental slope . Length of adolescent males between 38.0-50.6 cm TL, smallest juvenile 13.8 cm TL .
Scientific Name
Dentiraja healdi
Authority
Last, White & Pogonoski, 2008
Habitat
Marine
Climate
Deep-water
IUCN Status
LC
Max Length
58.7 cm
Depth Range
304–520 m
Trophic Level
4.2
Resilience
Low
Vulnerability
52.00/100
Salinity
30–40 ppt
🔬 Taxonomy
Class
Elasmobranchii
Elasmobranchii
Order
Rajiformes
Rajiformes
Family
Rajidae
Rajidae
Genus
Dentiraja
Dentiraja
Species
Heald's skate
Dentiraja healdi
🐟 Physical Description
Physical description for Heald's skate is currently being compiled.
🌀 Behaviour
Behavioural data for Heald's skate is currently being reviewed.
🦐 Diet
small fish
crustaceans
cephalopods
🥚 Reproduction
🐣 Oviparous
📦 Batch Spawner
Spawning Season
spring-summer
Spawn Location
Pelagic
Fertilization
External
🌍 Habitat & Distribution
Marine; bathydemersal; depth range 304 - 520 m . Deep-water; 15°S - 19°S, 115°E - 122°E Indian Ocean: off north-western Australia.
🌿 Ecology
Zone Preferences
🌊 Marine
🌑 Deep Water
Trophic Level
4.2±0.7
📐 Morphometrics
Length–Weight Relationship:
W = 0.00309 × L3.24
(TL)
Max TL
58.7cm
🌡️ Water Parameters & Tolerance
Salinity Range
30–40ppt
🛡️ Conservation Assessment
IUCN Category
Least Concern
Assessment Date
2024
📊 Population Risk & Fisheries
Population Resilience
Low
Minimum doubling time
Fishing Vulnerability
52.00/100
Moderate-High vulnerability
Trophic Level
4.2
Apex / Top predator
Climate Zone
Deep-water
Described By
Last, White & Pogonoski, 2008
🔍 Similar Species
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