Crescent Butterflyfish

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Crescent Butterflyfish
Chaetodon lunula real.jpg

Crescent Butterflyfish ( Chaetodon lunula )

Spinefish (Acanthopterygii)
Perch relatives (Percomorphaceae)
Order : Surgeonfish (Acanthuriformes)
Family : Butterflyfish (Chaetodon)
Genre : Chaetodon
Type : Crescent Butterflyfish
Scientific name
Chaetodon lunula
( Lacépède , 1802)

The raccoon butterflyfish ( Chaetodon lunula ) is a fish art from the genus Chaetodon in the family of butterfly fish (Chaetodontidae). The crescent butterflyfish is often exported for the aquarium trade, but it does not appear to be threatened and is classified by the IUCN as Least Concern (LC).


Crescent butterfly fish grow up to 20 centimeters long. They are yellow-orange with a dark brown back and dark streaks that run diagonally along the lower sides of the body. Immediately after a wide, black band that runs across the eye, there is a white band and then a wide, black band that extends diagonally from the gill cover to the dorsal fin. There is a black spot on the tail stalk.

Fin formula : Dorsal X – XIV / 20–25, Anale III / 17–20

distribution and habitat

The crescent moon butterflyfish is distributed in the Indo-Pacific from the coast of East Africa and South Africa from East London to Hawaii , the Marquesas and Ducie , north to southern Japan and south to Lord Howe Island and Rapa Iti . It can be found in lagoons as well as in outer reefs at depths above 30 meters. Juvenile animals are found between rocks on the land side of inner reefs and in tide pools .

Way of life

These fish live individually, but usually live in pairs or in small groups of up to 20 specimens. They are nocturnal and feed on a wide variety of bottom-dwelling invertebrates , such as nudibranch snails , tube worm gill clusters, and algae . In the Marshall Islands , however, they are said to feed exclusively on coral polyps . During the breeding season , the crescent butterflyfish form pairs.


Individual evidence

  1. a b Chaetodon lunula in the IUCN Red List of Threatened Species 2018.1. Posted by: Pyle, R., Craig, MT & Pratchett, M., 2009. Retrieved July 25, 2018.
  2. a b c d e Crescent Butterflyfish on (English)
  3. A. Sahara Thomspon: Chaetodon lunula in Fishes of Australia ( Online )

Web links

Commons : Crescent Moon Butterflyfish ( Chaetodon lunula )  - Collection of images, videos and audio files