- English Name : Saddleback butterflyfish
- Local Name : Asdhaanu bibee
- Size :Max. 20 cm
- Family : CHAETODONTIDAE
- Order : Perciformes
- Distinctive Characters: Dorsal fin with 11 spines and 23-26 rays. Anal fin with 3 spines and 20-21 rays. Pectoral fin with 15 rays. Body depth 1.8 in standard length. Snout longer than eye.
- Colour: White anteriorly and ventrally. Yellow dorsally and posteriorly. Black eye band, two black dorsal triangular saddles and a black bar on caudal peduncle. Verticle grey lines on sides.
- Habitat and Biology: Generally seen in pairs or in small aggregations on coral reefs at depths between 3-15 m. Easy to approach by snorkelers.
- Distribution: Indian Ocean.
- Remarks: Chaetodon falcula is closely related to C. ulietensis Cuvier of the Pacific (in which the black
dorsal bars are much more diffused). A popular aquarium fish.