Mimic TangThe Mimic Peel Tang, also known as the Mimic Surgeon, or Chocolate Surgeonfish, has an oval, yellow body while a juvenile. When mature, the body color darkens towards tan with red highlights forming around the eyes and pectoral fins. The dorsal, anal, and caudal fins take on the hues of green but remain tipped with the tan body color. A 125 gallon or larger aquarium with large amounts of live rock is necessary to provide both plenty of swimming room,