FAMILY - Acanthuridae SCIENTIFIC NAME - Acanthurus Leucosternon COMMON NAME - Powder Blue Surgeonfish SIZE - 9.1" (23 cm) RANGE - Indian Ocean MIN. AQUARIUM SIZE - 100 US Gal. (379 L) FOODS AND FEEDING - Varied diet of mostly vegetable matter, dried and frozen herbivore foods, marine algae, blue green alga spirulina, pieces of zucchini, broccoli, leaf lettuce and sushi nori (dried seaweed). Feed 3 times a day. AQUARIUM SUITABILITY - 6 REEF COMPATIBILITY - Generally safe, will spend most of its time browsing on filamentous microalgae and small fleshy macroalgae. If under fed may nip at large polyped stonby corals. CAPTIVE CARE - Keep only one unless a very large tank is used over 180 US Gal. (681 L) where a small group may be kept. Can be aggressive if crowded, provide plenty of swim room, and a selection of herbivores fare. This fish is very susceptible to ich, it is extremely hostile towards other surgeonfishes, should be the only surgeon fish in the tank unless in a very large system. Males are considerably smaller than females.