Scientific Name
Atherinason hepsetoides

Common Name
Smallscale hardyhead

Biology
Dorsal spines (total): 6 - 11; Dorsal soft rays (total): 9-13; Anal spines: 1; Anal soft rays: 11 - 14. Body slightly compressed and sides flattened (Ref. 9002).

Classification

Classified By

Richardson, 1843

Class

Ray-finned fishes (Actinopterygii)

Order

Silversides (Atheriniformes)

Family

Silversides (Atherinidae)

Distribution

Region

Eastern Indian Ocean

Distribution

Eastern Indian Ocean: endemic to southern Australia.

Range

34°S - 40°S

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

1 m

Depth To - meters

30 m

Zone

pelagic-neritic

Environment

Marine; pelagic-neritic; depth range 1 - 30 m (Ref. 9002), usually 1 - 4 m (Ref. 9002)

Trophic Level

3.17 s.e. 0.43 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

9.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (21 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