The popular aquarium fish Chaetodon falcula is closely related to C. ulietensis Cuvier of the Pacific, in which the black dorsal bars are much more diffused.
Details
§ 01
size
Max. 20 cm
color
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.
Typically found in groups of two or in small clusters on coral reefs at depths ranging from 3-15 m. Snorkelers can easily get close to them.
distinctive characters
The dorsal fin has 11 spines and 23-26 rays, the anal fin has 3 spines and 20-21 rays, and the pectoral fin has 15 rays. The body depth is 1.8 times the standard length, and the snout is longer than the eye.