Firefish Goby

Snapshot: This magnificant fish is a striking combo of yellow, white, and vibrant pink to orange-red. It has bold black accents on its dorsal, anal, and caudal fins.
 
Other tidbits: Can grow up to 7cm or so. Range extends from East Africa eastwards through the Indo-Pacific region, noth to Japan and south to Australia.
 
Bare bones must know: Live-rock fish-only system, fish-only system, or reef aquarium.