Acanthurus tristisis commonly referred to as Blackcheek Surgeonfish, Indian Ocean Mimic Surgeonfish, Yellowspot Surgeonfish. Difficulty in the aquarium: Average. A aquarium size of at least 1500 Liter is recommended. Toxicity: Toxic hazard unknown.
Juveniles mimic the angelfish Centropyge eibli!
Margin of caudal fin narrow and white. No orange area behind gill opening and extending ventrally behind base of pectoral fins. Only keep him in more than 1000 liters water when its adult.