Small scaled brown slickhead (Alepocephalus australis) fish species and information / pictures of Small scaled brown slickhead - Alepocephalus australis

Small scaled brown slickhead (Alepocephalus australis) fish species information

Scientific Name
Alepocephalus australis

Common Name
Small scaled brown slickhead

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 18; Anal spines: 0; Anal soft rays: 17 - 18; Vertebrae: 51. Easily separable from other species of Alepocephalus by its large head, about one-third of standard length, and a small number of scales in the lateral line and vertebrae.

Classification

Classified By

Barnard, 1923

Class

Ray-finned fishes (Actinopterygii)

Order

Smelts (Osmeriformes)

Family

Slickheads (Alepocephalidae)

Distribution

Region

Circumglobal

Distribution

Circumglobal: In tropical to temperate waters. Eastern Central Atlantic: possibly widely distributed from the Gulf of Guinea to South Africa. Western Atlantic: At about 39? to 10?N. Southwest Pacific.

Range

55°N - 56°S, 180°W - 180°E

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1000 m

Depth To - meters

2600 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 1000 - 2600 m (Ref. 4460)

Trophic Level

3.52 s.e. 0.49 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

60.0 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

Fisheries: of potential interest

Vulnerability

High to very high vulnerability (70 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)

Threat To Humans

  Harmless

IUCN Red List Status

  Not Evaluated