Butterflyfish are boxy-shaped reef fish with protractile pointed mouths. They are nimble feeders, able to swim upside to reach food. Brightly colored yellow across the back and dorsal fin, butterfly fish have two vertical black bars that run down through the eyes as well as just in front of the tail. The very end of the dorsal fin is decorated with a black spot. Peter Costello’s butterflyfish cabinet knobs will bring the beauty and playful spirits of ocean reef fish into your coastal kitchen or bathroom.