Filamentous Wrasse

Snapshot: This Wrasse is a fiery showstopper, rocking a bold red body with a crisp white underside. Its fins glow with flashes of yellow and electric blue markings.
 
Other tidbits: Can grow up to 15cm or so. Distributed throughout the East Indian Ocean, Australia, Japan, Indonesia, and the East Pacific.
 
Bare bones must know: Live-rock fish-only system, or reef aquarium.