Pencilled Surgeonfish

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The Pencilled Surgeonfish (Acanthurus dussumieri) is a tropical fish species that belongs to the ‘Surgeonfishes’ family Acanthuridae. Its distribution is in the warm waters of the Indo-Pacific region and it is known to occur from East Africa to the Hawaiian Islands, north to Japan and south to Australia. In Australia it is known to occur from the Rowley Shoals around the north to the Great Barrier Reef and down to central New South Wales. Juveniles can often be found along the New South Wales coastline as they are transported down on the warm east Australian current.

The body is pale brown in colour with irregular lines on the head and an orange band that extends between the eyes. The adults are distinctively recognised by there black opercule membrane and white caudal peduncle spine. Juveniles are brown to almost black in colour with a pale yellow band on the caudal fin, yellow colouration on the dorsal fin and a blue margin on the anal fin. As adults this species can often be found in schools however juveniles are generally solitary. It is known to feed on green and blue algae, diatoms, and detritus covering sand. The Pencilled Surgeonfish (Acanthurus dussumieri) grows to a maximum length of approximately 50cm.

Family: Acanthuridae

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