A 180 gallon or larger aquarium with rocks and caves provides a good habitat. It will rearrange the landscaping and rocks as it wanders in and out of the caves. It vocalizes using a "grunting" sound. The Humu Picasso Triggerfish makes a great conversation piece.
The Humu Picasso Triggerfish needs a varied diet of meaty foods including; squid, krill, clams, small fish and hard shelled shrimp to help wear down their ever growing teeth.