Where to purchase sushi-grade ahi tuna in Arizona? (or purchase online overnight shipping)
If you mean sushi grade ahi tuna, you can’t buy it or consume it fresh, because of parasites in the flesh. All sushi grade fish is held frozen at 0°F for at least forty eight hours to kill the parasites.

If you don’t have a local source for sushi grade tuna, you can find a variety of reliable shippers on-line, although they can be a bit pricey.