Emperor Angelfish (Pomacanthus imperator)

Common Name: Emperor Angelfish
Scientific Name: Pomacanthus imperator
Reef-Safe: With Caution
Min. Tank Size: 220 gallons
Captive Care: Intermediate
Temperament: Semi-Aggressive
Max. Size: 40cm (15.7") 
Range: Red Sea and East Africa to the Hawaiian, Line and Tuamoto islands, north to southern Japan and the Ogasawara Islands, south to the Great Barrier Reef, New Caledonia, and the Austral Islands
Depth: 1 - 100m (3.28 - 328ft)  
Diet: Omnivore
Remarks: This angelfish's natural diet includes sponges and other encrusting organisms, also on tunicates. Form pairs in the wild. Young and adults may clean much larger fishes such as sunfish. Reef-safe with SPS but not safe with fleshy LPS and clams. Some individuals of the fish from the waters of the Western Pacific exhibit bright orange tail that is highly desirable among hobbyists.