Chaetodon auriga | M

Chaetodon auriga, or the Threadfin Butterflyfish, is a visually captivating species prized for its elegant form and distinctive black and white pattern accented with yellow fins and a characteristic thread-like extension on the dorsal fin. This medium-sized butterflyfish is best suited to experienced marine aquarists due to its specific dietary and environmental needs.

Care Level: Moderate to advanced care is recommended. This species requires stable water parameters and a mature aquarium environment.

Temperament: Generally peaceful but can be territorial towards conspecifics or similar species. Best kept singly or as a mated pair in larger tanks.

Diet: Omnivorous with a preference for meaty foods such as mysis shrimp, brine shrimp, and specialised prepared diets formulated for butterflyfish. Supplement with algae and coral polyps if available.

Minimum Tank Size: A minimum of 150 litres (approximately 40 US gallons) is advised to provide adequate swimming space and territory.

Reef Compatibility: With Caution. While generally reef safe, this species may nip at coral polyps and sessile invertebrates, so careful monitoring is essential in reef setups.

Lighting and Water Flow: Standard reef aquarium lighting and moderate water flow are suitable to mimic natural habitat conditions.

Placement: Provide plenty of live rock for grazing and hiding spots. Avoid overcrowding to reduce stress and territorial disputes.

Origin: Indo-Pacific region.

Maximum Size: Up to 20 cm (approximately 8 inches).

Overall, the Threadfin Butterflyfish is a stunning addition to a well-established marine aquarium, offering both beauty and interest. Proper care and attention to diet and tank conditions will ensure a healthy and vibrant specimen.