Overview: The Chaetodon pelewensis, commonly known as the large butterflyfish, is a captivating addition to any marine aquarium. Recognised for its bold pattern and vibrant colours, this species adds both beauty and activity to a reef or fish-only setup.
Care Level: This species is recommended for experienced keepers due to its specialised dietary needs and sensitivity to water quality.
Temperament and Compatibility: Generally peaceful but can be territorial towards conspecifics or similar-shaped butterflyfish. Best kept singly or as a mated pair in a suitably large aquarium. Compatible with other non-aggressive tank mates.
Diet: Omnivorous with a preference for meaty foods such as mysis shrimp, brine shrimp, and specialised prepared diets formulated for butterflyfish. Supplement with algae-based foods to mimic natural feeding habits.
Tank Requirements: Minimum tank size of 180 litres (approximately 50 gallons) recommended to provide ample swimming space and territories. Maintain stable water parameters with excellent filtration and regular water changes.
Lighting and Water Flow: Moderate lighting and moderate water flow replicate natural reef conditions and support overall health.
Placement: Mid to upper levels of the aquarium, where it can swim freely and access feeding areas.
Origin: Not Provided.
Maximum Size: Up to 20 cm (approximate).



