Thornback skate (Dentiraja lemprieri) fish species and information / pictures of Thornback skate - Dentiraja lemprieri

Thornback skate (Dentiraja lemprieri) fish species information

Scientific Name
Dentiraja lemprieri

Common Name
Thornback skate

Biology
Occur on soft bottoms of the continental shelf (Ref. 7300, 75154). Feed on benthic fishes and crustaceans (Ref. 6871). Oviparous. Distinct pairing with embrace. Young may tend to follow large objects, such as their mother (Ref. 205). Eggs are oblong capsules with stiff pointed horns at the corners deposited in sandy or muddy flats (Ref. 205). Egg capsules are 4.4-6.3 cm long and 3.2-3.8 wide (Ref. 41308).

Classification

Classified By

Richardson, 1845

Class

Sharks and Rays (Elasmobranchii)

Order

Skates and Rays (Rajiformes)

Family

Skates (Rajidae)

Distribution

Region

Eastern Indian Ocean to southwest Pacific

Distribution

Eastern Indian Ocean to southwest Pacific: endemic to Australia.

Range

35°S - 45°S

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

170 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 170 m (Ref. 6871), usually 0 - 40 m (Ref. 6871)

Trophic Level

4.02 s.e. 0.67 Based on food items.

Occurs in Marine / Salt water

True

Occurs in Brackish water

False

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

52.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (44 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Fec assumed to be

Threat To Humans

Harmless

IUCN Red List Status

Least Concern (LC)