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Australian thornback skate (Dentiraja lemprieri) — Rajidae

Australian thornback skate

Dentiraja lemprieri
Family: Rajidae

The Australian thornback skate (Dentiraja lemprieri) is a saltwater fish of the family Rajidae that grows up to 55 cm.

Length
55 cm
Water
Saltwater
Depth
0.0–170.0 m
Body shape
Flat / disc-shaped
Substrate
Sand / mud bottom
Danger
Harmless
Range
Oceania: Australia

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Description

The Australian thornback skate is a skate (Rajidae) of the continental slope in the waters around Tasmania in southern Australia. The species grows to about 55 cm and has a flat, diamond-shaped disc with a pointed snout and a prickly back and tail. As a bottom-dweller of the cold deep water it lies on sand and mud and searches for crustaceans, molluscs and bottom fish. It reproduces with egg cases ('mermaid's purses'). The fish is harmless to humans.

Frequently asked questions

How do you recognise the Australian thornback skate?

The Australian thornback skate has a flattened, disc-shaped body and is mainly brown.

Where does the Australian thornback skate live?

The Australian thornback skate lives in the sea (marine waters) and is mostly found around sand or mud bottom. Oceania: Australia

How big does the Australian thornback skate get?

The Australian thornback skate grows to a maximum of about 55 cm.

Is the Australian thornback skate dangerous to humans?

No, the Australian thornback skate is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

More photos

Australian thornback skate (Dentiraja lemprieri) — Rajidae — 2
Joycelyn Goh (CC BY 4.0) via GBIF — AM
Australian thornback skate (Dentiraja lemprieri) — Rajidae — 3
tarnh (CC BY-NC 4.0) via GBIF — iNaturalist
Australian thornback skate (Dentiraja lemprieri) — Rajidae — 4
tarnh (CC BY-NC 4.0) via GBIF — iNaturalist
Fin

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All data

Identification

English name
Australian thornback skate sourced
Scientific name
Dentiraja lemprieri
Family
Rajidae
Other names
Denticulate skate; Lemprieres skate; Thornback skate verified

Appearance

Size class
Large verified
Max length (cm)
55.0 verified
Body shape
Flat / disc-shaped sourced
Dominant colour
Brown sourced
Tail shape
Straight inferred

Habitat & distribution

Water type
Saltwater sourced
Substrate
Sand / mud bottom sourced
Min depth (m)
0.0 verified
Max depth (m)
170.0 verified
Natural range
Oceania: Australia sourced
Origin
Native inferred

Behaviour & biology

Territorial
No inferred
Reproduction
Separate sexes inferred
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred

For anglers

Fishing method
Bottom fishing with natural bait (worm, shrimp or fish) on or just above the seabed. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless verified
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Rajidae

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