背面の脊椎 (合計): 9; 背鰭 (合計): 10-11; 肛門の骨 3; 臀鰭: 10 - 11; 脊つい: 25. Usually bright green in algae habitat, but pale or with longitudinal dark bands on plain rubble (Ref. 48636). Head of male with intricate reticulate pattern of bands that varies from one individual to another; small blackish spot on anus. Juveniles and females with dark dots dorsally and posteriorly; these are lost in males. Anterior lateral line scales with 1-3 pores; 8-13 suborbital pores. Anterior dorsal and anal soft rays longer than posterior rays; male pelvic fins not reaching the anus.
Inhabits shallow protected coral reefs and nearby silty sand and rubble bottoms (Ref. 2334). Feeds mainly on hard-shelled prey, including mollusks, crustaceans and sea urchins (Ref. 9823).
Life cycle and mating behavior 成熟 | 繁殖 | 放精 | 卵 | 生産力 | 幼生
Randall, J.E., G.R. Allen and R.C. Steene, 1990. Fishes of the Great Barrier Reef and Coral Sea. University of Hawaii Press, Honolulu, Hawaii. 506 p. (Ref. 2334)
