The Threadfin Butterflyfish (Chaetodon auriga) is found in many areas including the Red sea, Japan and Hawaii. It can be found at depths of 35 meters, can grow to 9 inches long.
It is best to keep one Threadfin per tank and it can be kept as a community fish. It will swim at all levels and will nip at corals if put into a reef tank. So it is advisable to keep this fish in a fish only tank. The threadfin butterfly fish is frequently caught and a peaceful fish. There is little known information on the captive breeding of this particular fish