Hephaestus habbemai, the mountain grunter, is a species of freshwater ray-finned fish, a grunter from the family Terapontidae.

[2][1] The adult fish inhabit the cobble and gravel bottom streams and the deep pools below rapids and waterfalls.

[1] The males guard and fan the eggs.

[1] This species reaches a length of 15.0 cm (5.9 in).

[1] This Centrarchiformes-related article is a stub.