The Ostracion cyanurus, commonly known as the Bluetail Boxfish, is a captivating species prized for its vibrant blue tail and distinctive box-like body shape. Available as a pair in various sizes, these fish make a fascinating addition to mature marine aquariums.
Care Level: Moderate to advanced. Due to their specialised diet and sensitivity to water quality, they are best suited for experienced hobbyists.
Temperament and Compatibility: Generally peaceful but can be shy. They may release toxins when stressed, so avoid aggressive tank mates. Suitable companions include other peaceful fish species. Avoid housing with predatory or overly aggressive fish.
Diet: Omnivorous. Feed a varied diet including high-quality marine pellets, frozen mysis shrimp, brine shrimp, and algae-based foods. Regular feeding is essential to maintain health.
Minimum Tank Size: A minimum of 150 litres (approximately 40 gallons) is recommended to provide ample swimming space and stable water conditions.
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. While generally reef safe, their toxin release under stress can harm invertebrates and corals. Monitor closely in reef setups.
Placement: Provide plenty of live rock for hiding and grazing. Ensure open swimming areas and avoid overcrowding.
Origin: Not Provided.
Maximum Size: Up to 20 cm (8 inches).
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