The Chaetodon octofasciatus, commonly known as the Eightband Butterflyfish, is a visually captivating species prized for its bold black and white banding across a yellow body. This large butterflyfish is a challenging but rewarding addition to a mature marine aquarium.
Care Level: Due to its specialised dietary needs and sensitivity, this species is recommended for experienced marine aquarists only.
Temperament and Compatibility: Generally peaceful but can be territorial towards conspecifics or similar species. Best kept singly or as a mated pair in a well-established tank. Avoid housing with aggressive or overly boisterous fish.
Diet: Primarily omnivorous with a preference for sponges, coral polyps, and small invertebrates in the wild. In captivity, provide a varied diet including specialised frozen foods, marine algae, and high-quality prepared diets formulated for butterflyfish. Supplement with live or frozen mysis and brine shrimp to encourage feeding.
Tank Requirements: A minimum tank size of 180 litres (approximately 50 gallons) is recommended to provide ample swimming space and reduce stress. The aquarium should be mature with plenty of live rock to offer natural grazing opportunities and hiding places.
Water Parameters: Maintain stable marine conditions with temperature between 24-27°C, salinity at 1.023-1.025 SG, pH 8.1-8.4, and moderate water flow.
Reef Compatibility: With Caution. This species may nip at coral polyps and sessile invertebrates, so it is not generally recommended for sensitive reef tanks.
Overall, the Chaetodon octofasciatus Large is a stunning butterflyfish that requires dedicated care and a well-maintained environment to thrive.
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