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Commonly Asked Questions

Appears in Georgia Aquarium's:
  • Garden Eels Habitat (Tropical Diver)

Range / Habitat

  • Occurs in the Indo-Pacific from East Africa to Hawaii, southern Japan, and the Lord Howe and Rapa Islands. Also in the Southeast Atlantic on parts of the coast of South Africa. Absent from the Red Sea and the Persian Gulf. Individuals encountered in the Galapagos Islands.
  • Adult found in shallow reef flats of lagoons and seaward reefs as deep as 100 feet (30 m). Juvenile prefers to remain among rocks of the inner reef flats and tide pools.
  • Has apparently been introduced on reefs in several areas of the southeast coast of Florida.

Physical Characteristics

  • Readily identifiable by its distinctive coloration.
  • Body and fins are bright yellow shading to brown on the upper back. There are thin, brownish diagonal bars on its sides. Caudal peduncle is marked with a black spot.
  • Draws its name from the black bar on the head that passes through the eye with an equally broad white bar behind. These two bars together give the appearance of a raccoon’s mask. 
  • Grows to about 8 inches (20 cm) in length.

Diet / Feeding

  • Diet consists of nudibranchs, tubeworm tentacles and other benthic invertebrates. Also consumes algae and coral polyps.

Reproduction / Growth

  • Forms pairs during breeding.

Conservation Status

  • “Least Concern” on the IUCN Red List. 

Additional Information

  • Primarily nocturnal and occurs in pairs or small groups.
  • Life span is believed to be up to 9 years.
  • Useful as an aquarium species as it preys on Aiptasia and Majano, small nuisance anemones. 

Sources

A Guide to Angelfishes & Butterflyfishes. Allen, G.; Steene, R. and Allen, M., pgs. 142
http://fl.biology.usgs.gov/documents/Chaetodon_lunula.pdf
http://eol.org/pages/204383
www.fishbase.org