English Name: Brown triggerfish
Family: BALISTIDAE
Local Name: Mushi rondu
Order: Tetraodontiformes
Size: Max. 38 cm
Specimen: MRS/041 1/92
Distinctive Characters: Dorsal fin with 3 spines and 27-31 rays. Anal fin with 24-28 rays. Pectoral fin with 14-15 rays. Cheeks scaled. Deep groove in front of eye. Longitudinal scale ridges on posterior part of the body extending forward to the middle of the body. Caudal fin rounded in young, truncate to slightly emarginate in adults.
Colour: Brown to pale brown with a pale yellowish ring around mouth and a narrow pale yellowish band across chin. Juveniles with longitudinal dark brown lines.
Habitat and Biology: Usually seen in depths greater than 25 m. Feeds mainly on sea urchins, heart urchins, brittle stars, fishes, bivalve molluscs, tunicates and crustaceans.
Distribution: Indo-Pacific.
Remarks: Sufflarnen fraenarus is a somewhat deep dwelling species, being apparently most common in atoll basins. S. capistrarus Shaw, is a synonym