The Chaetodon lunula, commonly known as the Crescent Butterflyfish, is a visually captivating species prized by marine aquarium enthusiasts. This extra large specimen showcases vibrant yellow and black crescent-shaped markings that make it a standout addition to any suitably sized reef or fish-only marine aquarium.
Care Level: Moderate to advanced. This species requires stable water conditions and a well-established tank.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar butterflyfish species. Best kept singly or as a mated pair in large tanks.
Diet: Omnivorous. Requires a varied diet including high-quality frozen mysis, brine shrimp, marine algae, and specialised prepared foods formulated for butterflyfish.
Minimum Tank Size: At least 250 litres (approximately 65 gallons) to provide ample swimming space and territory.
Reef Compatibility: With Caution. While not inherently aggressive towards corals, this species may nip at sessile invertebrates or coral polyps, so caution is advised in reef setups.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable. Avoid overly intense lighting or strong currents that may stress the fish.
Placement: Provide plenty of live rock for grazing and hiding spots. Ensure the tank is mature and stable before introduction.
Origin: Indo-Pacific region.
Maximum Size: Up to 20 cm (8 inches) in length.
Due to its size and specialised care requirements, the Chaetodon lunula Extra Large is recommended for experienced marine aquarists seeking a striking focal fish. Regular monitoring and a varied diet will help maintain health and vibrant coloration.
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