The Chaetodon Lunula, or Crescent Butterflyfish, is a visually stunning addition to any marine aquarium. Recognisable by its elegant crescent-shaped markings and contrasting colour patterns, this medium-sized butterflyfish demands attentive care and a mature tank environment.
Care Level: Moderate to advanced. This species is best suited for aquarists with experience in maintaining stable reef systems.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar species. It is recommended to keep only one individual per tank unless the aquarium is very large.
Diet: Omnivorous. A varied diet including high-quality marine flakes, pellets, frozen mysis shrimp, brine shrimp, and specialised preparations for butterflyfish is essential. Supplement with live or frozen coral polyps and sponges where possible to mimic natural feeding habits.
Minimum Tank Size: At least 150 litres (approximately 40 gallons) to provide ample swimming space and territories.
Reef Safety: With Caution. While generally reef safe, Chaetodon Lunula may nip at coral polyps and sessile invertebrates, so caution is advised when housing with delicate corals.
Lighting Requirements: Standard reef lighting is suitable. No special lighting needs beyond what is required for corals.
Water Flow: Moderate water movement to simulate natural reef conditions.
Placement: Mid to upper levels of the aquarium where it can swim freely and access feeding areas.
Origin: Not Provided.
Maximum Size: Not Provided; medium size generally indicates around 12-15 cm in length.
Ensure stable water parameters with temperature between 24-27°C, salinity of 1.023-1.025 SG, and excellent water quality. Regular maintenance and a mature tank environment are crucial for the health of this species.



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