The Humu Humu Trigger, a.k.a. Picasso Trigger, is a beautiful fish full of colors and distinct markings. These fish are one of the lesser aggressive Triggers and do well in a community aquarium. The Triggerfish family is comprised of peculiar shaped fish with two dorsal fins. The first dorsal includes a large spine that these fish use to lock themsevles into places where they sleep or hide. The Triggers are also well known for their blowing behavior that they use to move items around in home aquariums. They will also pick items up with their mouths and move them. This is likely instinctual behavior that has rolled over from their nesting preperation. These fish can be aggressive, especially when feeding.