Dinko Southern Bluefin tuna is packaged as a super frozen top and bottom loin from one entire side of the fish. It is available in both foodservice and retail packs. Each pack of Dinko sashimi Grade Southern Bluefin Tuna contains an Akami (top) and Toro (bottom) loin. Each pack also contains enough sheets of specially produced Japanese wrapping paper for the loins to be wrapped tightly to avoid oxidization of the flesh.