Raccoon Butterflyfish Care Guide
Chaetodon lunula · Saltwater Butterflyfish
What Raccoon Butterflyfish look like
The Raccoon Butterflyfish (Chaetodon lunula) exhibits a distinctive and striking appearance characterized by its laterally compressed body, which can reach a maximum adult size of approximately 7 inches (18 cm). This species is easily recognizable by its prominent black mask-like markings that extend from the snout through the eye, resembling a raccoon's facial pattern, complemented by a vibrant yellow body adorned with vertical black bars. Sexual dimorphism is minimal, with both sexes displaying similar coloration and patterns. Defensive adaptations include a deep body shape that allows for agile maneuvering among coral structures, and the presence of small, sharp teeth adapted for grazing on coral polyps and other benthic invertebrates. The Raccoon Butterflyfish also possesses a well-defined lateral line system, which aids in detecting vibrations and movement in the water column, enhancing its foraging efficiency.
Behavior & temperament
Raccoon Butterflyfish are generally social and can be found in pairs or small groups, often exhibiting a hierarchical structure within their social groups. They primarily inhabit shallow reef environments, typically swimming at mid to upper water levels. Breeding behavior includes courtship displays characterized by synchronized swimming and gentle nudging, often leading to monogamous pair bonding during the breeding season. Their temperament is generally peaceful, although they may exhibit territorial behavior when defending their feeding grounds against intruders, particularly during the breeding period.
Diet & feeding
In the wild, Raccoon Butterflyfish are primarily corallivorous, feeding on coral polyps, algae, and small invertebrates. In captivity, they require a varied diet that includes high-quality marine flakes, frozen foods, and live coral fragments to ensure optimal health and coloration.
Behind the name
The genus name 'Chaetodon' is derived from the Greek words 'chaitos' meaning 'hair' and 'odous' meaning 'tooth', referring to the bristle-like teeth of these fish. The species name 'lunula' is Latin for 'little moon', likely referencing the crescent-shaped markings found on the fish's body.
Plan your tank
Check the numbers before you buy: tank volume, salinity, salt mix, water changes, and your ongoing care routine.
Keeping Raccoon Butterflyfish?
AquaLens identifies your fish and plants from a photo, tracks water chemistry, and flags health issues early — free on iOS and Android.
