Blind electric ray (Typhlonarke aysoni) fish species and information / pictures of Blind electric ray - Typhlonarke aysoni

Blind electric ray (Typhlonarke aysoni) fish species information

Scientific Name
Typhlonarke aysoni

Common Name
Blind electric ray

Biology
Anal spines: 0; Anal soft rays: 0. Dark brown dorsally, light brown ventrally (Ref. 26346).

Classification

Classified By

Hamilton, 1902

Class

Sharks and Rays (Elasmobranchii)

Order

Electric rays (Torpediniformes)

Family

Sleeper rays (Narkidae)

Distribution

Region

Southwest Pacific

Distribution

Southwest Pacific: endemic to New Zealand.

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

65 m

Depth To - meters

900 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 65 - 900 m (Ref. 26346)

Trophic Level

3.28 s.e. 0.31 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

38.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7502 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 (30 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)