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Atherinidae
Drysdale hardyhead
Craterocephalus helenae
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. The specific name honours Ivantsoff's wife, Helena.
- Class
- Teleosts
- Order
- Silversides
- Family
- Atherinidae
- Genus
- Craterocephalus
- Maximum length
- 8 cm
- Water
- Freshwater
- Distribution
- Oceania: known only from the Drysdale River in the northern Kimberley region, Western Australia.
- Conservation status
- NTNear Threatened
