Xanthichthys caeruleolineatusis commonly referred to as Goldenback Triggerfish, Outrigger triggerfish, Blueline Triggerfish. Difficulty in the aquarium: There are no reports available yet that this animal has already been kept in captivity successfully. Toxicity: Toxic hazard unknown.
Males and females have the same color pattern: upper sides yellowish tan and lower sides light gray, the two colors separated by an irregular thin electric blue line running from the pectoral fin to the tail fin. The diagonal grooves and the cheek are blue. An orange bar edged in blue runs from behind the eye to the base of the pectoral fin. The tail fin is mostly white with a black trailing edge and red side margins.