It's been an all-out war of words from Alaskans as they try to name-and-shame companies for selling Russia-sourced seafood.

Dan Sullivan, a US Senator from Alaska, gave a scathing indictment on the US Senate floor last week of lawmakers' failure to close the loophole allowing Russian seafood into the US market via reprocessing in China.

"Russian seafood pours into the United States pretty much duty-free, and Alaskan seafood going into Russia is banned.