The female Cirrhilabrus isosceles is a striking species of fairy wrasse known for its vibrant colours and peaceful temperament. Native to the Western Pacific, this species is a popular choice among marine aquarists seeking a visually appealing and relatively easy-to-care-for wrasse.
Care Level: Moderate. Suitable for hobbyists with some marine aquarium experience.
Temperament: Peaceful and generally compatible with other non-aggressive tank mates. Best kept singly or in a harem with one male and multiple females.
Diet: Carnivorous. Requires a varied diet including high-quality frozen or live foods such as mysis shrimp, brine shrimp, and finely chopped seafood. Supplement with quality marine pellets or flakes.
Minimum Tank Size: 120 litres (approximately 30 gallons) to provide ample swimming space and territory.
Reef Safe: Yes. Safe for reef aquariums, posing no threat to corals or invertebrates.
Lighting Requirements: Standard reef lighting is sufficient. No special lighting needs.
Water Flow: Moderate water movement preferred to mimic natural habitat conditions.
Placement: Mid to lower levels of the aquarium. Provide plenty of live rock for hiding and foraging.
Origin: Western Pacific Ocean.
Maximum Size: Up to 8 cm (3 inches).
When introducing Cirrhilabrus isosceles females, ensure the tank is mature and well-cycled. They thrive in stable water conditions with regular maintenance. Avoid aggressive tank mates to reduce stress and promote natural behaviour.



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