Coral Beauty

Snapshot: Their bodies and heads shimmer with a regal, deep royal blue, while flashes of orange, yellow, and other vivid hues add to their mesmerizing allure.
 
Other tidbits: Can grow up to 10cm or so. Native to the tropical waters of the Indo-Pacific region including areas of South-East Asia, Australia and the Philippines.
 
Bare bones must know: Live-rock fish-only system, fish-only system, or reef aquarium with care.