Giant electric ray (Narcine entemedor) fish species and information / pictures of Giant electric ray - Narcine entemedor

Giant electric ray (Narcine entemedor) fish species information

Scientific Name
Narcine entemedor

Common Name
Giant electric ray

Biology
Found in shallow water on sandy bottoms, sometimes adjacent to reefs (Ref. 12951). Found buried in the sand during the day (Ref. 12951). Moves into shallow bays at night to feed; prefers polychaete worms, but may take sea squirts (Ref. 12951).

Classification

Classified By

Jordan & Starks, 1895

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Numbfishes (Narcinidae)

Distribution

Region

Eastern Pacific

Distribution

Eastern Pacific: Gulf of California to Peru.

Range

32°N - 7°N

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.03 s.e. 0.18 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

76.2 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 to moderate vulnerability (32 of 100)

Resilience

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

Threat To Humans

Other (Ref. 9259)

IUCN Red List Status

Data deficient (DD)