FAMILY - Chactodontidae SCIENTIFIC NAME - Chelmon Mulleri COMMON NAME - Muller's Butterflyfish SIZE - 7" ( 18 cm ) RANGE - Australia MIN. AQUARIUM SIZE - 75 US Gal. (284 L) FOODS AND FEEDING - Fresh clam on the half shell, black mussel on the half shell, sessile invertebrates on live rock, live brine, mysid shrimp. AQUARIUM SUITABILITY - 8 REEF COMPATIBILITY - With caution. May nip some soft corals, feeds heavily on tubeworms appendages, small crustaceans. CAPTIVE CARE - Keep singly, in pairs if introduced at same time, provide plenty of swimming space, hiding places and adequate water movement simulating a turbid environment. Will eat glass worms, the heads of feather dusters, and will decimate polychaete worm populations, 7o-81 F ( 21-27 C). Do not purchase any specimen with a pinched abdomen, make sure the fish is feeding prior to purchase, specimens acclimate well to captivity, although less colorful than the copperband, the most hardy of the Chelmon Genera.