Caesio caerulaurea, commonly known as the Blue and Gold Fusilier, is a striking marine snapper prized for its vivid blue and yellow colouring and active schooling behaviour. This small variant is ideal for marine aquarists seeking a dynamic addition to a suitably sized tank.
Care Level: Moderate to advanced. This species requires stable water parameters and ample swimming space.
Temperament: Generally peaceful but active and fast-moving. Best kept in groups to mimic natural schooling behaviour, which reduces stress and aggression.
Diet: Omnivorous. Feed a varied diet including high-quality marine pellets, frozen mysis shrimp, brine shrimp, and finely chopped seafood. Supplement with algae-based foods to ensure balanced nutrition.
Minimum Tank Size: 300 litres (approximately 80 gallons) to provide sufficient swimming room and maintain water quality.
Reef Safety: With Caution. While not typically aggressive towards corals, they may nip at small invertebrates or sessile animals if stressed or hungry.
Lighting Requirements: Standard marine aquarium lighting is sufficient; no special lighting needs.
Water Flow: Moderate to strong flow to replicate natural reef currents and support health.
Placement: Mid to upper water column swimmers. Provide open swimming areas and avoid overcrowding.
Origin: Indo-Pacific region.
Maximum Size: Up to 30 cm (12 inches) in captivity.
Ensure regular water changes and maintain excellent water quality to support the health and vibrancy of your Caesio caerulaurea. They thrive best in groups of 5 or more to exhibit natural schooling behaviour and reduce stress.
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