The White Tail Trigger, Sufflamen chrysopterus, is commonly referred to as the Half-moon Triggerfish, Yellow-backed Triggerfish, Goldenfinned Triggerfish, Yellowstreak Triggerfish, Yellow-backed Triggerfish, Blue Belly Triggerfish, Flagfin Trigger, White-tip Trigger, White-tip Sufflamen Trigger, White Rim Triggerfish, and White Rim Trigger. There is a large difference in appearance between adults and juveniles, where the juveniles have a white under-body, with the upper half separated by a black line that runs across the eye and has yellow coloration on top covering the dorsal fin. Adults are a dark color all over with red markings at the base of second dorsal fin and anal fin and blue coloration underneath the front part of its head.
It is one of the intelligent and curious fish and requires a plenty of space to swim with plenty of hiding spaces..
The Flagtail Trigger chiefly feeds on a wide range of food items,
including live coral, algae, sea urchins, crabs, mollusks and other
invertebrate groups as well as small fish. They should be fed a diet of chopped Krill, Shrimp, Mollusks, as well as Clams and hard shelled Shrimp to help wear down their ever growing teeth.