Southern lightfish (Ichthyococcus australis) fish species and information / pictures of Southern lightfish - Ichthyococcus australis

Southern lightfish (Ichthyococcus australis) fish species information

Scientific Name
Ichthyococcus australis

Common Name
Southern lightfish

Biology
Dorsal spines (total): 0; Dorsal soft rays (total): 14-15; Anal spines: 0; Anal soft rays: 14 - 17. Brown-yellow in color, flanks silver; fin bases and edges of scale pockets black (Ref. 3988). Dorsal adipose fin present, ventral adipose fin absent.

Classification

Classified By

Mukhacheva, 1980

Class

Ray-finned fishes (Actinopterygii)

Order

Lightfishes and Dragonfishes (Stomiiformes)

Family

Lightfishes (Phosichthyidae)

Distribution

Region

Circumglobal in the sub-tropical convergence region of the southern hemisphere with records between 30?S and 40?S in the southeast Atlantic.

Distribution

Circumglobal in the sub-tropical convergence region of the southern hemisphere with records between 30?S and 40?S in the southeast Atlantic.

Range

Unknown

Environment

Climate

Subtropical

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

500 m

Zone

pelagic-oceanic

Environment

Marine; pelagic-oceanic; depth range 0 - 500 m (Ref. 58018)

Trophic Level

3.46 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

12.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 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