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Emperor angelfish
The emperor angelfish, ''Pomacanthus imperator'', is a species of marine angelfish. It is a reef-associated fish, native to the Indian and Pacific Oceans, from the Red Sea to Hawaii and the Austral Islands. It ranges from coastal East Africa and the Red Sea in the west, to the Tuamotu Islands and Line Islands. Rare sightings have been recorded in the Hawaiian Islands, Puerto Rico, and Florida. These appearances are most likely due to aquarium release. Some populations have been observed as far as southern Japan to the Great Barrier Reef in Australia, New Caledonia, and the Austral Islands. This species is generally associated with stable populations and faces no major threats of extinction. It is a favorite among photographers, artists, and aquarists because of its unique, brilliant pattern of coloration.
==Habitat==
Emperor angelfish dwell in reef-associated areas at depths ranging from 1-100 m. Juveniles live alone and inhabit outer lagoon patch reefs or semi-protected exposed channels and reef flats. They tend to hang out at shrimp cleaning stations, feeding off parasites and dead skin of larger fish species. Subadults move to reef front holes and surge channels, while mature adults are found in caves in areas of rich coral growth on clear lagoon, seaward, or channel reefs. Males are territorial and will defend their habitat as well as the females living with them. An angelfish territory can be as large as 10,760 square feet. Adults are also known for making a low-frequency “knocking” sound if disturbed or threatened by divers.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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