Not alot, from what I have read, this is one of the best angels to have in a reef, Books, internet, etc said it gets along with about everything including of angels but my half black is not to happy with him. Should have a nice tail once it gets older. Here is all it says on wetwebmedia/com: Genicanthus lamarck (Lacepede 1802), Lamarck's Angelfish (2). Indo-Australia Archipelago. To seven inches in length. Probably the most common member of the genus used in the trade
From Fishbase.org: Indo-West Pacific: Indo-Malayan region, eastward to Vanuatu, north to southern Japan, southward to the Great Barrier Reef. Diagnosis: Dorsal spines (total): 15-15; Dorsal soft rays (total): 15-16; Anal spines: 3-3; Anal soft rays: 16-17. Overall white with 3 black stripes on side; dorsal fin with broad submarginal black band; caudal fin with black dots, female with broad black band on the dorsal and ventral edges; pelvic fins white in female, black in male; a few irregular bands radiate from the eye in male.
Biology: Inhabit shallow reef crests and deep reefs adjacent to steep slopes. Form aggregations to feed in midwater well above the bottom; harems of 3-7 individuals. Feeds on plankton. Frequently exported through the aquarium trade (Ref. 48391)