
Appearance
''Chaetodon lunula'' can reach a length of 20 cm. These large butterflyfishes have an oval outline, with a pattern of ascending oblique reddish stripes on the flanks and black and white bands over the face and eyes, similar to the "raccoon" mask . They show a black spot on the caudal peduncle and oblique yellow stripes behind the head. They have 10-14 dorsal spines and 3 anal spines.
Distribution
This species can be found widely throughout the tropical Indo-Pacific region and in the southeast Atlantic. It is missing in the Red Sea.Behavior
''Chaetodon lunula'' is a nocturnal species that usually lives in small groups. Adults feed mainly on nudibranchs and small invertebrates, but also on algae and coral polyps.Habitat
This species prefers seaward reefs and shallow reef flats of lagoon, at a depth of over 30 m.References:
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