n = 14
| Scientific Name | Author | Valid Name | Family | English Name |
|---|---|---|---|---|
| Hephaestus adamsoni | (Trewavas, 1940) | Hephaestus adamsoni | Terapontidae | Adamson's grunter |
| Hephaestus carbo | (Ogilby & McCulloch, 1916) | Hephaestus carbo | Terapontidae | Coal grunter |
| Hephaestus epirrhinos | Vari & Hutchins, 1978 | Hephaestus epirrhinos | Terapontidae | Longnose sooty grunter |
| Hephaestus fuliginosus | (Macleay, 1883) | Hephaestus fuliginosus | Terapontidae | Sooty grunter |
| Hephaestus habbemai | (Weber, 1910) | Hephaestus habbemai | Terapontidae | Mountain grunter |
| Hephaestus jenkinsi | (Whitley, 1945) | Hephaestus jenkinsi | Terapontidae | Western sooty grunter |
| Hephaestus komaensis | Allen & Jebb, 1993 | Hephaestus komaensis | Terapontidae | |
| Hephaestus lineatus | Allen, 1984 | Hephaestus lineatus | Terapontidae | Lined grunter |
| Hephaestus obtusifrons | (Mees & Kailola, 1977) | Hephaestus obtusifrons | Terapontidae | |
| Hephaestus raymondi | (Mees & Kailola, 1977) | Hephaestus raymondi | Terapontidae | Raymond's grunter |
| Hephaestus roemeri | (Weber, 1910) | Hephaestus roemeri | Terapontidae | Röemer's grunter |
| Hephaestus transmontanus | (Mees & Kailola, 1977) | Hephaestus transmontanus | Terapontidae | Sepik grunter |
| Hephaestus trimaculatus | (Macleay, 1883) | Hephaestus trimaculatus | Terapontidae | Threespot grunter |
| Hephaestus tulliensis | De Vis, 1884 | Hephaestus tulliensis | Terapontidae |