Craterocephalus nouhuysi (Weber, 1910)
Mountain hardyhead
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Family:  Atherinidae (Silversides), subfamily: Craterocephalinae
Max. size:  10 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater; pH range: 7 - 7.80000019073486; dH range: 8 - 18
Distribution:  Asia and Oceania: Lorentz River in Irian Jaya, Indonesia and Upper Fly-Strickland River systems in Papua New Guinea.
Diagnosis:  Dorsal spines (total): 7-9; Dorsal soft rays (total): 8-10; Anal spines: 1-1; Anal soft rays: 9-10
Biology:  Inhabits relatively fast-flowing streams, usually forming schools in rocky pools or quiet backwaters.
IUCN Red List Status: Least Concern (LC); Date assessed: 03 December 2019 Ref. (124695)
Threat to humans:  harmless
Country info:   
 

Entered by: Torres, Armi G. - 02.12.96

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