Caesio caerulaurea, commonly called the Blue and Gold Fusilier, is a visually stunning snapper species prized in the marine aquarium hobby for its vibrant blue and yellow colouring. This medium-sized fish is best suited to larger tanks due to its active schooling nature and swimming needs.
Care Level: Moderate. This species requires stable water conditions and ample swimming space.
Temperament: Peaceful and social. Best kept in groups to mimic natural schooling behaviour, which reduces stress and encourages natural activity.
Diet: Omnivorous. Feed a varied diet including high-quality marine pellets, frozen mysis shrimp, brine shrimp, and finely chopped seafood to ensure optimal health.
Minimum Tank Size: 300 litres (approximately 80 gallons) to provide sufficient swimming room and reduce territorial behaviour.
Reef Safety: Yes. Caesio caerulaurea is generally reef safe and does not harm corals or invertebrates, making it suitable for reef aquariums.
Lighting Requirements: Standard marine aquarium lighting is sufficient; no special lighting needed.
Water Flow: Moderate to strong water flow replicates their natural habitat and encourages healthy behaviour.
Placement: Mid to upper water column swimmers. Keep in open swimming areas with plenty of room to school.
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 tank with stable parameters. They thrive in groups of at least 5 individuals to exhibit natural schooling and reduce stress. Avoid aggressive tankmates to maintain harmony.
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