Green-brown to brown with blue spots. Yellow iris.
Size : 11 cm
Habitat : In clear lagoons and outer reefs, 1-40 m. Very territorial, aggressively defends a small territory where blanket-weed algae grows on hard ground. Also undismayed by divers. Apart from algae from its “garden”, it also feeds on small invertebrates and fish eggs.
Distribution : Red Sea and East Africa to SW Japan, Marshall Islands and French Polynesia.