Orange Butterflyfish

The Orange Butterflyfish (Chaetodon kleinii), also known as Klein’s Butterflyfish, is a hardy and attractive marine fish featuring a warm orange to yellow body with subtle vertical markings. It is one of the more adaptable butterflyfish species, making it a popular choice for experienced reef aquarists.

Native to the Indo-Pacific region, this fish is commonly found around coral reefs, lagoons, and rocky areas where it actively forages for food.

Key Features:

• Attractive orange-yellow coloration
• One of the hardier butterflyfish species
• Active and elegant swimmer
• Suitable for experienced marine aquarists

Feeding:

• Omnivorous with strong preference for meaty foods
• Feeds on sponges, algae, worms, and plankton in the wild
• Accepts frozen foods, mysis shrimp, brine shrimp, and marine pellets
• Requires varied diet for long-term health

Care Requirements:

• Minimum tank size: 250L+
• Stable, mature marine aquarium
• Plenty of live rock for grazing and shelter
• Sensitive to sudden water parameter changes

Compatibility:

• Not Reef safe
• May nip at soft corals, LPS, and sessile invertebrates
• Better suited for fish-only or carefully selected reef systems
• Peaceful but can be opportunistic feeder

Pro Tips:

• Best kept in well-established tanks only
• Feed multiple times daily for best health
• Avoid housing with delicate corals or small invertebrates
• Provide plenty of natural grazing surfaces