Heraldi Angelfish

Snapshot: Also known as the Yellow Angelfish, or the False Lemonpeel Angelfish, this fish adds a stunning splash of solid golden-yellow into your marine aquarium. 
 
Other tidbits: Can grow up to 9 cm or so. Distributed throughout the Great Barrier Reef, and the Western-central-Pacific Ocean.
 
Bare bones must know: Live-rock fish-only system or fish-only system. Well established and mature aquariums only.