Scientific Name
Polyipnus tridentifer

Common Name
Three-spined hatchetfish

Biology
A benthic species (Ref. 75154) found on the continental slope (Ref. 7300, 75154).

Classification

Classified By

McCulloch, 1914

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Marine hatchetfishes (Sternoptychidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: endemic to the seas off southern Australia. South China Sea (Ref.74511).

Range

Unknown

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

640 m

Depth To - meters

825 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 640 - 825 m (Ref. 7300)

Trophic Level

3.35 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

7.2 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 vulnerability (23 of 100)

Resilience

High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated