Tonkin numbfish (Narcine prodorsalis) fish species and information / pictures of Tonkin numbfish - Narcine prodorsalis

Tonkin numbfish (Narcine prodorsalis) fish species information

Scientific Name
Narcine prodorsalis

Common Name
Tonkin numbfish

Biology
Found in continental waters, both inshore and offshore (Ref. 9912). Biology little known (Ref. 9912).

Classification

Classified By

Bessednov, 1966

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Numbfishes (Narcinidae)

Distribution

Region

Western Pacific

Distribution

Western Pacific: off China to Java, Indonesia.

Range

Unknown

Environment

Climate

Tropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

50 m

Depth To - meters

50 m

Zone

demersal

Environment

Marine; demersal; depth range 50 - 50 m (Ref. 9912)

Trophic Level

3.23 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

40.0 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

Other (Ref. 10011)

IUCN Red List Status

Data deficient (DD)