No need for vinegar or wine just remove this strand when cleaning fish to eliminate the fishy smell.

Effectively Eliminate Fishy Smell by Removing the White Tendon Along the Spine
When preparing fish, particularly carp, there is an often-overlooked step that can significantly reduce its fishy odor. After gutting the fish, take a sharp knife and make a shallow incision across the body, approximately 1 cm behind the head.

Upon closer inspection, you’ll find a thin, white tendon running along each side of the fish’s spine. This tendon, which looks like a white thread, is a key contributor to the fishy smell many people try to remove by soaking the fish in vinegar or alcohol.