Chelmon rostratus, or the Copperband Butterflyfish, is a visually captivating species recognised by its vertical orange bands and long, narrow snout. This medium-sized fish is a popular choice for marine aquarium enthusiasts seeking a unique addition to their reef setup.
Care Level: Moderate to advanced. This species can be challenging to feed and maintain, requiring a mature, stable aquarium environment.
Temperament: Generally peaceful but may exhibit territorial behaviour towards similar species. Best kept singly or in a large tank with plenty of hiding spaces.
Diet: Carnivorous. Requires a varied diet including live or frozen meaty foods such as brine shrimp, mysis shrimp, and specialised prepared diets formulated for butterflyfish. Regular feeding is essential to maintain health.
Minimum Tank Size: 120 litres (approximately 30 gallons) or larger to provide adequate swimming space and territory.
Reef Safe: With Caution. While generally reef compatible, Chelmon rostratus may nip at certain sessile invertebrates such as tube worms or small polyps. Monitor closely in reef systems.
Lighting Requirements: Standard reef lighting is suitable; no special lighting needs.
Water Flow: Moderate water flow preferred to mimic natural reef conditions.
Placement: Provide plenty of live rock for grazing and hiding. Ensure the tank is mature with stable water parameters.
Origin: Indo-Pacific region.
Maximum Size: Up to 20 cm (approximately 8 inches) in length.
Due to their specialised dietary needs and sensitivity, Chelmon rostratus is recommended for aquarists with some experience in marine fish care. Regular observation and prompt adjustment of diet and environment will help ensure a healthy, thriving specimen.
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