Emperor Angelfish

Snapshot: Adorned with a captivating palette of dark blue, black, and radiant yellow, its exterior is a masterpiece of color contrast. Neon blue highlights trace its features with striking stripes.
 
Other tidbits: Can grow up to a whopping 40cm or so! Native to the tropical waters of the Indo-Pacific region and the Red Sea.
 
Bare bones must know: Live-rock fish-only system, fish-only system, or reef aquarium with care. Extensive rockwork and deep caves for security. Larger size aquarium needed.