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Pikehead hardyhead (Kestratherina esox) — Atherinidae

Pikehead hardyhead

Kestratherina esox
Family: Atherinidae

The Pikehead hardyhead (Kestratherina esox) is a brackish-water fish of the family Atherinidae that grows up to 15 cm.

Length
15 cm
Water
Brackish
Diet
Carnivore
Behaviour
Large groups
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Open water
Danger
Harmless
Range
Around southern Australia; coastal waters.
Edibility
Rarely eaten

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Description

The pikehead silverside is a silverside (Atherinidae) from the waters around southern Australia. The species is slender and silvery with a conspicuously pointed, elongate head reminiscent of a pike. It lives in coastal waters and forms schools. At and near the surface it feeds on small zooplankton and small invertebrates. It is an important prey fish for larger fishes and seabirds. The species is harmless to humans.

Frequently asked questions

How do you recognise the Pikehead hardyhead?

The Pikehead hardyhead has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Strikingly pointed, pike-like head; schooling silverside of southern Australia.

Where does the Pikehead hardyhead live?

The Pikehead hardyhead lives in brackish water and is mostly found around open water. Around southern Australia; coastal waters.

How big does the Pikehead hardyhead get?

The Pikehead hardyhead grows to a maximum of about 15 cm.

Is the Pikehead hardyhead dangerous to humans?

No, the Pikehead hardyhead is harmless to humans. None required: this species is harmless to humans.

Is the Pikehead hardyhead edible?

The Pikehead hardyhead is rarely eaten.

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All data

Identification

English name
Pikehead hardyhead verified
Scientific name
Kestratherina esox
Family
Atherinidae

Appearance

Size class
Small verified
Max length (cm)
15.0 verified
Body shape
Elongated (eel-like) sourced
Dominant colour
Silver / grey inferred
Pattern
Horizontal stripes inferred
Tail shape
Forked inferred
Mouth position
Superior (upward) inferred
Lips
Thin inferred
Barbels
No sourced
Dorsal fins
Two separate inferred
Dorsal spines
Yes sourced

Habitat & distribution

Water type
Brackish sourced
Substrate
Open water sourced
Natural range
Around southern Australia; coastal waters. inferred
Origin
Native sourced

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Small zooplankton and small invertebrates sourced
Social behaviour
Large groups inferred
Territorial
No inferred
Activity
Diurnal inferred
Reproduction
Separate sexes sourced
Sexual dimorphism
No inferred
Seasonality
Present year-round in its habitat; no pronounced seasonality known. inferred
Special features
Strikingly pointed, pike-like head; schooling silverside of southern Australia. sourced

For anglers

Edibility
Rarely eaten sourced
Fishing method
Small in size and barely an angling target; mostly caught incidentally or as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
None required: this species is harmless to humans. sourced

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

More from the family Atherinidae

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