Tilapia pond.Two obvious choices come to mind, because they are very mildly flavored as fish go: tilapia and cod. Both have very little fishy taste and pretty good texture. Cod in particular tastes much like whatever you are going to do to prepare it. Here's a recipe that I have yet to have anyone dislike, and I can promise you that it will not taste like fish at all. I have made this at least a dozen times, and I will even go out to Kroger, which is less convenient for me than Publix, just to get cod, which they regularly carry.
Tips: 1) Do not go cheap on the wine (i.e. someting you will finish drinking with the meal) - pinot grigio is a good choice, 20 Basil paste or even dried basil (use about 1/2 as much as fresh) is fine, 3) Start the sauce (everything already slices and portioned) when you sear the fish to allow time for it to reduce, 4) Garlic paste or minced garlic in the jar work just fine.
https://bakerbynature.com/pan-seared-cod-in-white-wine-tomato-basil-sauce/