This package of "Tuna Cubes" is from Vietnam and previously frozen. There is no indication that it was treated with carbon monoxide. Signs on package and counter say "Guaranteed Fresh". When asked, clerk said everything imported is treated with carbon monoxide and previously frozen.
Ahi Poke - label says it contains "ahi,nut,wheat,soy". No indication on package that it contains carbon monoxide. A nearby sign does say "previously frozen, treated with carbon monoxide"
Whole Talapia from China was on "fresh fish" shelf.