The Fortescue has a brown or white body with dark brown to black bars. It has a large spine on each side of the head below the eye. It swings the spines outwards when disturbed. The first dorsal fin has 16 strong venomous spines. Often seen in large numbers resting on the sea floor.
length to 15cm
seagrass beds in estuaries, coastal bays, inshore reefs at depth from 1m to 30m
The Fortescue is endemic to Australia from southern Queensland, New South Wales to eastern Victoria.
Venomous dorsal spines can inflict a painful sting