hoignei (female doesn't have the spot on the soft dorsal as described by Meinken); A. uaupesi (based on juvenile male but Breitbinden if OK); A. resticulosa (actually A. sp. Wangenflecken; lateral band should almost touch the caudal spot); A.
They swim by rippling their soft dorsal and anal fins. This unusual swimming motion allows them to swim backwards as well as forward, which can be advantageous when moving in and out of coral crevices.
So the front (Anterior) portion of such a fin is called the Spiney Dorsal and the rear (Posterior) portion is called the Soft Dorsal.
It has a base color of white with two wide black stripes. The soft dorsal and caudal fins are yellow, and there are black marks above the eyes. Members of the Heniochus genera are often called Bannerfish instead of Butterflyfish.
first extends from the base of the dorsal fine spine toward the ventral fin, and then laterally along the body to the base of the caudal; the second thinner band lies parallel to the first originating from the base of the third to sixth soft dorsal ...
 See also: Fish, Dorsal, Species, Water, Dorsal Fin
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