(Ambiserrula jugosa)
The mud flathead (Ambiserrula jugosa) is a species of flathead endemic to the Pacific coastal waters of Australia where it occurs at depths of from 15 to 53 metres (49 to 174 ft) on the continental shelf. This species grows to a length of 12.1 centimetres (4.8 in) SL. This species is the only known member of its genus.