The Dalhousie hardyhead (Craterocephalus dalhousiensis) is a freshwater fish of the family Atherinidae that grows up to 8 cm.
Description
The Dalhousie hardyhead is a silverside (Atherinidae) endemic to the warm artesian springs and streams of Dalhousie in the arid interior of South Australia. The species grows to about 7 cm and has a slender, silvery body with a shiny lengthwise stripe and two separate dorsal fins. As a social schooling fish it stays in groups and snaps at small plankton, insect larvae and algae. Its small range makes it vulnerable. The fish is harmless to humans.
Frequently asked questions
How do you recognise the Dalhousie hardyhead?
The Dalhousie hardyhead has an elongate, eel-like body and is mainly silver-grey.
Where does the Dalhousie hardyhead live?
The Dalhousie hardyhead lives in fresh water and is mostly found around open water. Oceania: Australia
How big does the Dalhousie hardyhead get?
The Dalhousie hardyhead grows to a maximum of about 8 cm.
Is the Dalhousie hardyhead dangerous to humans?
No, the Dalhousie 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.

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All data
Identification
Appearance
Habitat & distribution
Behaviour & biology
For anglers
Safety
Status & sources
Same genus Craterocephalus
More from the family Atherinidae

Want the complete picture on the Dalhousie hardyhead?
Point your camera at the fish and Fin names the species in seconds. Free, and the Dalhousie hardyhead is one of 12,519 species in the app.