Siganus fuscescens (Houttuyn, 1782)
Abundant throughout the Solitary Islands Marine Park. Distributed throughout the Western Pacific region, north to southern China and southern Japan, south to New Caledonia and Australia. In Australia recorded from around Perth in Western Australia, across the tropical north including the Gulf of Carpentaria, Torres Strait and the Great Barrier Reef in Queensland south to eastern Victoria, and including Lord Howe Island.
Frequents estuaries, offshore reefs and islands, areas of algal flats and seagrass. Depth from 1 to at least 50m.
Juveniles feed on filamentous algae, adults on seagrass and leafy alga. Often seen in company of schools of Australian Sawtail, Prionurus microlepidotus. Has venomous spines, grows to 40cm.