Craterocephalus helenae Ivantsoff, Crowley & Allen, 1987
Drysdale hardyhead
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Family:  Atherinidae (Silversides), subfamily: Craterocephalinae
Max. size:  8 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater
Distribution:  Oceania: known only from the Drysdale River in the northern Kimberley region, Western Australia.
Biology:  Found in rocky pools in clear, flowing streams. Occurs in still or flowing water of sandy river channels and rocky pools (Ref. 44894). Feeds chiefly on insects and their aquatic larvae and crustaceans, but some algae is also consumed.
IUCN Red List Status: Near Threatened (NT); Date assessed: 13 February 2019 (B1a+2a) Ref. (124695)
Threat to humans:  harmless
Country info:   

Entered by: Palomares, Maria Lourdes D. - 06.06.94
Modified by: Reyes, Rodolfo B. - 01.10.21
Checked by: Palomares, Maria Lourdes D. - 29.07.94

Source and more info: For personal, classroom, and other internal use only. Not for publication.

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