Hephaestus adamsoni (Trewavas, 1940)
Adamson's grunter

Family:  Terapontidae (Grunters or tigerperches)
Max. size:  40 cm SL (male/unsexed)
Environment:  benthopelagic; freshwater, non-migratory
Distribution:  Oceania: restricted to Lake Kutubu in the Southern Highlands Province of Papua New Guinea.
Diagnosis:  Dorsal spines (total): 12-12; Dorsal soft rays (total): 10-12; Anal spines: 3-3; Anal soft rays: 9-10
Biology:  Extremely common in lake shores; juveniles occur in the shallows close to shore, whereas adults form large schools over deep water adjacent to rocky cliffs. Main food of the Foi people who live along the shores of Lake Kutubu (Ref. 2847). Eggs are guarded and fanned by the male parent (Ref. 205).
IUCN Red List Status: Critically Endangered (CR); Date assessed: 05 December 2019 (B1ab(iii)) Ref. (130435)
Threat to humans:  harmless


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