ocean fish

I was wondering if there’s a specific place in fishing that brings the most income? Is it the pond, ocean etc. Which area fish cost the most, basically. thanks!

After the 1.6.9.37 patch on the Nintendo Switch, I had the following bugs on my solo file (Winter Year 6, Day 19) and co-op split-screen file (Summer Year 10, Day 18): Ocean fish being caught in the pond and river areas on Ginger Island Golden Coconuts not appearing at the Island Trader On...