Drysdale hardyhead explained

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

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.

Notes and References

1. Web site: Thompson. Vanessa. Drysdale Hardyhead, Craterocephalus helenae. Fishes of Australia. 15 October 2014.
2. Web site: Order ATHERINIFORMES: Families ATHERINOPSIDAE, ATHERINIDAE and ATHERIONIDAE . 22 July 2019 . Christopher Scharpf . Kenneth J. Lazara . amp . The ETYFish Project Fish Name Etymology Database . Christopher Scharpf and Kenneth J. Lazara . 1 January 2019.