Craterocephalus lacustris Trewavas, 1940
Kutubu hardyhead

Family:  Atherinidae (Silversides), subfamily: Craterocephalinae
Max. size:  14 cm TL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 7 - 8; dH range: 15
Distribution:  Oceania: known only from Lake Kutubu and its outlet stream, the Soro River, Papua New Guinea.
Diagnosis:  Dorsal spines (total): 6-9; Dorsal soft rays (total): 7-9; Anal spines: 1-1; Anal soft rays: 8-10
Biology:  An extremely abundant species which forms schools along shallow margins of the lake in both open water or amongst aquatic vegetation.
IUCN Red List Status: Endangered (EN); Date assessed: 04 December 2019 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless
Country info:   

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