With its pearly white body, delicate black crosshatching, orange-yellow tail, and unmistakable butterflyfish profile, the Pearlscale Butterflyfish (Chaetodon xanthurus) is one of the most elegant marine fish available to saltwater aquarists. Also known as the Yellow-Tailed Butterflyfish, Crosshatch Butterflyfish, or Philippine Chevron Butterflyfish, this species comes from coral-rich waters of the western Pacific. Its graceful …
