Caesio caerulaurea, commonly known as the Blue and Gold Fusilier, is a striking snapper species prized for its vivid blue and yellow colouring and dynamic schooling behaviour. This extra-large variant is perfect for experienced marine aquarists with spacious tanks.
Care Level: Moderate. Requires stable water parameters and ample swimming space.
Temperament: Generally peaceful but active; best kept in groups to mimic natural schooling behaviour.
Diet: Omnivorous. Feeds on plankton, small crustaceans, and prepared marine diets such as high-quality flakes, pellets, and frozen foods.
Minimum Tank Size: 300 litres (approximately 80 gallons) to accommodate their active swimming needs and social behaviour.
Reef Safe: With Caution. May nip at small invertebrates or delicate corals; monitor closely in reef setups.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow to replicate natural reef conditions.
Placement: Mid to upper water column; provide open swimming areas with some rockwork for shelter.
Origin: Indo-Pacific region.
Maximum Size: Up to 30 cm (12 inches) in captivity.
When introducing Caesio caerulaurea to your aquarium, ensure a well-established system with stable water quality. They thrive in groups of five or more, which helps reduce stress and encourages natural schooling behaviour. Regular feeding with varied diets will maintain their vibrant colours and health.
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