The McCullochi Clownfish is native to Lord Howe Island off the coast of Australia. Its tiny natural range is closed to fishing making it one of the rarest Clownfish in the aquarium hobby. It is typically dark brown to black in color with a white tail and single white head bar. Juveniles tend to be more brown in coloration and have three bars. They are simiar in size to other fish in the Tomato Complex but tend to be more aggressive.