Reef Butterflyfish (Chaetodon sedentarius)

Fish in the family Chaetodontidae. Moderate care. Reef Safe with Caution.

Reef Butterflyfish

Quick facts

Scientific nameChaetodon sedentarius
FamilyChaetodontidae
Also known asMariposa Parche
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentPeaceful
Dietomnivore
Adult size7 in
Minimum tank size75 gallons
Water parametersTemperature: 72-82°F pH: 8.1-8.3 Salinity: 1.02-1.026
Feeding scheduleFeed 2-3 times daily

Appearance

The Reef Butterflyfish is a small, laterally compressed fish with a distinctive yellow body and white head marked by a thick black stripe running through the eye. It has dark coloration on the dorsal and anal fins, and displays a characteristic black saddle patch on the caudal peduncle. The body profile is deep and roughly diamond-shaped.

Diet and feeding

Feed a varied diet of high-quality flaked foods, small pellets, and frozen foods such as mysis shrimp and finely chopped seafood. Include small portions of algae-based supplements. Offer food 2-3 times daily in small amounts.

Difficulty and care for the Reef Butterflyfish

The Reef Butterflyfish is moderately challenging to keep, requiring stable water conditions and a varied diet. It is generally peaceful but can be sensitive to poor water quality and may occasionally nip at soft corals and polyps if not well-fed.

Common health issues

Marine ich, parasitic infections, nutritional deficiency, lateral line erosion

Origin and habitat

Western Atlantic, from the Caribbean region including Bermuda, Bahamas, and Florida south to the Gulf of Mexico and northern coast of South America.

Log Reef Butterflyfish in your reef tank

Reef Trak gives you the full record on every species in your tank: acquisition date, source, photos, parameters at time of stocking, and links to maintenance and feeding events. Track Reef Butterflyfish alongside everything else in your reef.