Brown numbfish (Narcine brunnea) fish species and information / pictures of Brown numbfish - Narcine brunnea

Brown numbfish (Narcine brunnea) fish species information

Scientific Name
Narcine brunnea

Common Name
Brown numbfish

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

Classification

Classified By

Annandale, 1909

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Numbfishes (Narcinidae)

Distribution

Region

Indo-West Pacific

Distribution

Indo-West Pacific: off Pakistan to the Gulf of Thailand.

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

3.18 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

22.0 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 (11 of 100)

Resilience

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

Threat To Humans

Other (Ref. 10011)

IUCN Red List Status

Not Evaluated