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Magela hardyhead (Craterocephalus marianae) — Atherinidae

Magela hardyhead

Craterocephalus marianae
Family: Atherinidae
LC · Least Concern

The Magela hardyhead (Craterocephalus marianae) is a freshwater fish of the family Atherinidae that grows up to 8 cm.

Length
7.5 cm
Water
Freshwater
Diet
Omnivore
Behaviour
Schooling
Activity
Diurnal
Body shape
Elongated (eel-like)
Substrate
Mixed bottom
Danger
Harmless
Range
Northern Australia
Edibility
Not eaten

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Description

The Magela hardyhead is a small freshwater fish from northern Australia, including the Magela system of the Kakadu region. The species grows to about 8 cm and has a slender, elongate, silvery body with a shiny lateral stripe. It schools in clear streams, billabongs and floodplains and feeds on small zooplankton, insects and algae. The fish is harmless to humans and has no commercial value. The IUCN assesses the species as Least Concern (LC).

Frequently asked questions

How do you recognise the Magela hardyhead?

The Magela hardyhead has an elongate, eel-like body, is mainly silver-grey and shows a horizontal stripes pattern. Slender silvery body with a lateral stripe; schooling hardyhead

Where does the Magela hardyhead live?

The Magela hardyhead lives in fresh water and is mostly found around mixed bottom. Northern Australia

How big does the Magela hardyhead get?

The Magela hardyhead grows to a maximum of about 8 cm.

Is the Magela hardyhead dangerous to humans?

No, the Magela hardyhead is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Magela hardyhead edible?

The Magela hardyhead is not usually eaten.

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All data

Identification

English name
Magela hardyhead verified
Scientific name
Craterocephalus marianae
Family
Atherinidae
Other names
Magela Hardyhead; Mariana's hardyhead verified

Appearance

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

Habitat & distribution

Water type
Freshwater sourced
Substrate
Mixed bottom sourced
Natural range
Northern Australia verified
Origin
Native verified

Behaviour & biology

Diet
Omnivore sourced
Diet (detail)
Small zooplankton, insects and algae inferred
Social behaviour
Schooling sourced
Territorial
No sourced
Activity
Diurnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
Seasonality
Schooling small billabong fish; present year-round. sourced
Special features
Slender silvery body with a lateral stripe; schooling hardyhead sourced

For anglers

Edibility
Not eaten sourced
Fishing method
Not a target species for angling; at most an incidental catch or usable as baitfish. inferred
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

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

Same genus Craterocephalus

More from the family Atherinidae

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