The Zanclus Cornutus, often referred to as the Moorish Idol, is a visually stunning butterflyfish prized in the marine aquarium hobby. This large-sized fish is recognised by its elongated dorsal fin and striking black, white, and yellow colouration.
Care Level: Due to its specialised dietary needs and sensitivity to water conditions, the Zanclus Cornutus 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 suitably large aquarium. Compatible with other peaceful community fish but avoid aggressive tank mates.
Diet: Omnivorous with a preference for sponges, algae, and small invertebrates. Provide a varied diet including high-quality marine flakes, frozen mysis shrimp, and specialised sponge-based foods to ensure optimal health.
Tank Requirements: Minimum tank size of 250 litres is advised to provide ample swimming space. A well-established reef or mature aquarium with live rock is essential to support grazing behaviour and maintain water quality.
Water Parameters: Stable marine conditions with temperature between 24-27°C, pH 8.1-8.4, and specific gravity 1.020-1.025.
Reef Safety: With caution – may nip at some sessile invertebrates or coral polyps, so monitor closely if housed in reef setups.
Overall, the Zanclus Cornutus is a captivating addition for dedicated marine hobbyists willing to meet its specialised care requirements.
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