I know this won't help you with your current problem, and that this thread was started a while ago, but it can help you if you enjoy fishing, or if you give the info to the fishermen who give you trout (by the way, I wish I were in your shoes and someone gave me a mess of torut).
My father taught me this when I was quite young. He was the best fishermen I've ever known and always had trout on hand, year round. After the freshly caught fish were brought home, he immediately cleaned them, placed them into a milk carton (they were the wax-coated paper cartons that were so common before the plastic container we now use) filled with water. He then placed them in the deep freezer until they were needed. When thawed, these fish were as good as the freshly caught trout that we ate during trout season.
The water isolates them from oxygen, and any other odors that might be present in the freezer. They can't get freezer burn either and stay good for literally years. If you have to freeze fish, this is the way to do it. You now have to find a different container than the paper milk cartons from yesteryear, but it can still be done. Myself, I just enlarge the opening of the plastic milk jug and use that. It's not as elegant a sollution, and they don't stack as well, but it works.
Seeeeeya; Goodweed of the North
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