That happened to my mother in law!
A catfish came back alive after being frozen in the freezer for six months!
She froze the fish in a large pan of water and placed it in the freezer whole!.................
“She froze the fish in a large pan of water and placed it in the freezer whole!.................”
Would have been truly weird if she’d filleted it and still had it come back... :)
Keeps air away from the fish and prevents dehydration, freezer burn.