Chaetodon pelewensis, commonly known as the Pelew Butterflyfish, is a visually captivating species prized by marine aquarium enthusiasts. This small butterflyfish displays a unique pattern of yellow, black, and white, making it a standout addition to a mature reef or fish-only marine setup.
Care Level: Moderate to advanced. This species requires stable water parameters and a well-established tank.
Temperament: Generally peaceful but can be territorial towards conspecifics or similar species. Best kept singly or as a mated pair in larger aquaria.
Diet: Omnivorous. Requires a varied diet including high-quality frozen mysis, brine shrimp, and specialised marine fish pellets. Supplement with algae-based foods to mimic natural feeding habits.
Minimum Tank Size: 150 litres (approximately 40 gallons) to provide adequate swimming space and territory.
Reef Compatibility: With Caution. May nip at coral polyps or sessile invertebrates; not recommended for delicate reef tanks.
Lighting and Water Flow: Standard marine aquarium lighting and moderate water flow are suitable. Avoid strong currents that may stress the fish.
Placement: Mid to upper levels of the aquarium where it can swim freely and access feeding areas.
Origin: Indo-Pacific region, including Palau and surrounding areas.
Maximum Size: Up to 15 cm (6 inches) in length.
Providing a stable environment with regular water changes and a varied diet will help maintain the health and vibrancy of Chaetodon pelewensis. Due to its specialised care requirements, this species is recommended for experienced marine aquarists.



