Slender electric ray (Narcine rierai) fish species and information / pictures of Slender electric ray - Narcine rierai

Slender electric ray (Narcine rierai) fish species information

Scientific Name
Narcine rierai

Common Name
Slender electric ray

Biology
Shovel-shaped disc with a long tail (much longer than disc length); a longer-than-wide nasal curtain; slender tooth bands that are subtriangular in shape (Ref. 49866). Uniform light brown or golden-brown dorsally (Ref. 49866).

Classification

Classified By

Lloris & Rucabado, 1991

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Numbfishes (Narcinidae)

Distribution

Region

Western Indian Ocean

Distribution

Western Indian Ocean: central Somalia to at least Mozambique.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

169 m

Depth To - meters

214 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 169 - 214 m (Ref. 11228)

Trophic Level

3.2 s.e. 0.40 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

30.1 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (21 of 100)

Resilience

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

Threat To Humans

Harmless

IUCN Red List Status

Data deficient (DD)