Scientific Name
Kestratherina esox

Common Name
Pikehead hardyhead

Biology
Found in inshore waters (Ref. 7300). A schooling species (Ref. 75154).

Classification

Classified By

Klunzinger, 1872

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

32°S - 40°S

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

pelagic-neritic

Environment

Marine; brackish; pelagic-neritic

Trophic Level

4.1 s.e. 0.70 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

15.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 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 (27 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