Onefin electric ray (Narke capensis) fish species and information / pictures of Onefin electric ray - Narke capensis

Onefin electric ray (Narke capensis) fish species information

Scientific Name
Narke capensis

Common Name
Onefin electric ray

Biology
Small ray with an almost circular disc and an elongated caudal fin (Ref. 5578). Yellowish-brown above with yellowish patches on upper tail, yellow with brown margins below (Ref. 5578).

Classification

Classified By

Gmelin, 1789

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Sleeper rays (Narkidae)

Distribution

Region

Southeast Atlantic

Distribution

Southeast Atlantic: Cape Point to central Natal, South Africa. Possibly occurring in Mozambique and Madagascar (Ref. 5578).

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

20 m

Depth To - meters

183 m

Zone

demersal

Environment

Marine; demersal; depth range 20 - 183 m (Ref. 6589)

Trophic Level

3.061 s.e. 0.26 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

38.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.6252 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (20 of 100)

Resilience

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

Threat To Humans

Other (Ref. 5578)

IUCN Red List Status

Data deficient (DD)