A photo by Keoki and Yuko Stender of an adult Auriga or Threadfin Butterflyfish (Chaetodon auriga).
The Threadfin Butterflyfish behaves in the typical Butterflyfish manor, but is one of the more aggressive species that is best kept singly or as a mated pair. It will often chase related species and other non-related fishes that have similar color patterns.
Thinking about adding a Butterflyfish to your tank? See the Saltwater Aquarium Fish Compatibility Chart.
