FAMILY - Acanthuridae SCIENTIFIC NAME - Acanthurus Coeruleus COMMON NAME - Atlantic Blue Tang ( Blue Tang) SIZE - 9.1" (23 cm) RANGE - Tropical Atlantic MIN. AQUARIUM SIZE - 75 US Gal. (284 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 - 8 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.