Drysdale hardyhead

The Drysdale hardyhead (Craterocephalus helenae) is a species of fish in the family Atherinidae endemic to the Drystale River in Western Australia.[1] It is listed as near threatened on the IUCN Red List and rare under the Australian EPBC Act 1999.[2] The specific name honours Ivantsoff's wife, Helena.[3]

Drysdale hardyhead
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Atheriniformes
Family: Atherinidae
Genus: Craterocephalus
C. helenae
Binomial name
Craterocephalus helenae
Ivantsoff, Crowley & G. R. Allen, 1987

Little is known about the biology or ecology of this species, but it is an omnivore which feeds on aquatic insects, small crustaceans and algae.[2]


  1. Wager, R. (1996). "Craterocephalus helenae". IUCN Red List of Threatened Species. IUCN. 1996: e.T5492A11224339. Retrieved 22 July 2019.
  2. Thompson, Vanessa. "Drysdale Hardyhead, Craterocephalus helenae". Fishes of Australia. Retrieved 15 October 2014.
  3. Christopher Scharpf & Kenneth J. Lazara (1 January 2019). "Order ATHERINIFORMES: Families ATHERINOPSIDAE, ATHERINIDAE and ATHERIONIDAE". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. Retrieved 22 July 2019.

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