Red Sea Butterflyfish (Chaetodon fasciatus)

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

Red Sea Butterflyfish

Quick facts

Scientific nameChaetodon fasciatus
FamilyChaetodontidae
Also known asDiagonal Butterflyfish, Red Sea Raccoon Butterflyfish
Care levelModerate
Reef safetyReef Safe with Caution
TemperamentSemi Aggressive
Dietomnivore
Adult size5.5 in
Minimum tank size75 gallons
Water parametersTemperature: 72-78°F pH: 8-8.3 Salinity: 1.02-1.025
Feeding schedule2-3 times daily

Appearance

A striking butterflyfish with bright yellow coloration on the head and body, distinctive vertical black bands across the orange-yellow flanks, and white patches on the gill covers. The dorsal and anal fins are yellow with black edging, and the tail fin is yellow with black markings. Adults reach approximately 5.5 inches in length.

Diet and feeding

Feed a varied diet of high-quality flake foods, pellets, and frozen foods such as mysis shrimp, brine shrimp, and small pieces of seafood. Supplement with vegetable matter including spirulina-based foods and blanched greens. Offer food 2-3 times daily in small amounts.

Difficulty and care for the Red Sea Butterflyfish

Moderate - Requires some experience due to specific dietary water or tank requirements. Best suited for intermediate aquarists.

Common health issues

Ich, Marine Velvet, Head and Lateral Line Erosion (HLLE), Bacterial infections

Origin and habitat

Red Sea and Western Indian Ocean, including the coasts of Egypt, Sudan, and the Arabian Peninsula to the Persian Gulf.

Log Red Sea 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 Red Sea Butterflyfish alongside everything else in your reef.