Chaetodon decussatus, commonly known as the Indian vagabond butterflyfish, is a medium-sized butterflyfish. Their base colour is usually cream-white but can be beige to brown as well. They’ve a purplish-grey pattern of the typical diagonal stripes and the vertical black eye bar. The dorsal fin and last part of the body is black and the anal and caudal fin are yellow with a black stripe through it. All in all they look like a dark version of C. vagabundus.
These fish are quite peaceful to most other fish, but might haress similar looking fish. As juveniles they’re solitary and can be found in a wide range of habitats from reefs to rubble and rocky areas. Once mature they form pairs, but are also sometimes seen in small groups. In an aquarium they can best be kept alone unless a proven pair can be bought. They’re real omnivores feeding on all sort of worms, anemones, invertebrates and algae, but they’re also facultative corallivores, meaning they do eat but don’t need corals. This makes them a risk in a reef tanks though, but a perfect pick for a fish-only tank! Feed them a varied diet of live and frozen meaty foods, but make sure to also include algae based foods like pellets and flakes, and they will thrive in your tank!