Peppered Butterflyfish

Snapshot: A dusky dotted body, bold eye-bar, flashes of orange, a sleek black tail band and a pop of yellow on the dorsal fin.
 
Other tidbits: Can grow up to 12cm or so. Distributed throughout the East Indian Ocean, West Indian Ocean, and Indonesia.
 
Bare bones must know: Live-rock fish-only system, or reef system with care. Mature and well established aquariums only. Stable, top-notch water quality.