Johnrandallia nigrirostris is a captivating medium-sized butterflyfish prized for its distinctive markings and calm nature. Native to tropical marine environments, this species thrives in well-established aquariums with stable water parameters.
Care Level: Moderate to advanced care is recommended due to specific dietary and environmental needs.
Temperament: Generally peaceful, making it compatible with a variety of non-aggressive tank mates. However, it may show territorial behaviour towards similar species.
Diet: Omnivorous. Provide a varied diet including high-quality marine flakes, pellets, frozen mysis shrimp, and finely chopped seafood. Supplement with algae-based foods to mimic natural feeding habits.
Minimum Tank Size: A minimum of 120 litres (approximately 30 gallons) is advised to provide sufficient swimming space and maintain water quality.
Lighting Requirements: Standard marine aquarium lighting is suitable; no special lighting needs.
Water Flow: Moderate water flow replicates natural reef conditions and supports overall health.
Placement: Best kept in a tank with plenty of live rock for grazing and hiding spots. Avoid overcrowding to reduce stress.
Origin: Not Provided.
Maximum Size: Approximately 15 cm (6 inches).
Reef Safe: With Caution. May nip at coral polyps or sessile invertebrates; suitable for fish-only or well-managed reef tanks.
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