Chaetodon Lunula | Size M

Raccoon Butterflyfish (Chaetodon lunula) – Bold, Hardy, and Instantly Recognizable

The Raccoon Butterflyfish is a striking and resilient species, easily identified by the distinctive black “mask” across its face. Known for its adaptability and bold personality, Chaetodon lunula is a popular choice among marine aquarists looking for a hardy butterflyfish with strong visual impact.

Eye-Catching Markings and Color Contrast

This species features a bright yellow body accented by a prominent black band running across the eyes, giving it the “raccoon” appearance it’s named for. Subtle diagonal striping and darker shading along the back add depth to its coloration, while the clean body shape and active swimming style make it a constant focal point in the aquarium.

Active Behavior and Tank Presence

Raccoon Butterflyfish are active swimmers that quickly become a noticeable presence in any tank. They are generally peaceful but can become semi-aggressive toward similar species, especially in smaller aquariums. They do best when housed with other moderately tempered fish and given plenty of space to swim.

Feeding and Hardiness

One of the standout qualities of Chaetodon lunula is its hardiness. It adapts readily to aquarium life and is typically easy to feed. As an omnivore, it will accept a wide range of foods, including frozen mysis shrimp, brine shrimp, chopped seafood, and high-quality pellets or flakes.

In the wild, this species often feeds on coral polyps and invertebrates, which explains its strong feeding response in captivity.

Reef Tank Suitability

Raccoon Butterflyfish are not reef safe, as they are known to feed on soft and stony corals, as well as other sessile invertebrates. However, this behavior can be beneficial in some cases, as they may help control pest anemones such as Aiptasia.

For this reason, they are best suited to fish-only aquariums or carefully planned systems where coral predation is not a concern.

A Great Choice for Hardy Butterflyfish Enthusiasts

Thanks to its durability, bold markings, and active nature, the Raccoon Butterflyfish is an excellent option for aquarists seeking a dependable and visually striking species. It’s particularly well-suited for those new to butterflyfish who want a species with a higher success rate.

Quick Specifications

Care Level: Easy to Moderate
Temperament: Semi-aggressive
Diet: Omnivore
Reef Safe: No
Minimum Tank Size: 250 liters (65 gallons)
Origin: Indo-Pacific

With its unmistakable mask and hardy nature, the Raccoon Butterflyfish is a standout addition that brings both personality and contrast to any marine aquarium.