Natal electric ray (Heteronarce garmani) fish species and information / pictures of Natal electric ray - Heteronarce garmani

Natal electric ray (Heteronarce garmani) fish species information

Scientific Name
Heteronarce garmani

Common Name
Natal electric ray

Biology
Small ray with an elongated, narrow disc and a small, narrow caudal fin (Ref. 5578). Plain brown above, white below (Ref. 5578).

Classification

Classified By

Regan, 1921

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Sleeper rays (Narkidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: southern Mozambique to Algoa Bay, South Africa (Ref. 5578).

Range

- 34°S

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

73 m

Depth To - meters

329 m

Zone

demersal

Environment

Marine; demersal; depth range 73 - 329 m (Ref. 6589)

Trophic Level

3.24 s.e. 0.31 Based on size and trophs of closest relatives

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

25.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5627 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: of no interest

Vulnerability

Low vulnerability (13 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity

Threat To Humans

Other

IUCN Red List Status

Vulnerable (VU) (A2d+4d)