Numbray (Narke dipterygia) fish species and information / pictures of Numbray - Narke dipterygia

Numbray (Narke dipterygia) fish species information

Scientific Name
Narke dipterygia

Common Name
Numbray

Biology
Found in continental waters, both inshore and offshore (Ref. 9913). Biology little known (Ref. 9913). The electric organs present on disc are used to stun the prey.

Classification

Classified By

Bloch & Schneider, 1801

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Sleeper rays (Narkidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: Oman and the Arabian Sea eastward to Japan and south to Singapore and Indonesia.

Range

Unknown

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

3.21 s.e. 0.30 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

18.0 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

Fisheries: minor commercial

Vulnerability

Low vulnerability (10 of 100)

Resilience

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

Threat To Humans

Other (Ref. 10011)

IUCN Red List Status

Data deficient (DD)