MONACANTHIDAE Amanses scopas, 12.0 cm SL (photo by Ukkrit Satapoomin) Amanses scopas (Cuvier, 1829) Boom Filefish D II + 26-29; A 22-25; P1 12-13. Males with a patch of long spines in front of caudal peduncle, females with a toothbrush-like patch of bristles. Color: body dark brown with several vertical incomplete black bars on middle of side; caudal fin dark brown; soft dorsal, anal and pectoral fin with yellow rays. Size: maximum 20 cm. Distribution: widely distributed in tropical Indo-West Pacific from East Africa and Red Sea to Tuamotu Islands, north to southern Japan. Remarks: occurring in coral reefs in depths 5-20 m.