Probably. The same thing works for bears - bears who ate mostly berries have meat, which tastes slightly sweet. This works, I believe, for red meat: https://pubmed.ncbi.nlm.nih.gov/2286578/
Probably feeding a ton of fish to a pig from early life will make the taste more fishy.
You bet your ass there us:
https://bostonsmokedfish.com/product/salmon-bacon/