This is the 10050th most frequent Turkish word.
balıkta
"In the fish" or "at the fish" (locative case of "balık," meaning fish).
In this sentence, 'balıkta' refers to the location where fishing is happening.
Balıkta hangi tür balıkların avlandığını biliyor musun?
Do you know which types of fish are caught at the fishing spot?
Here, 'balıkta' is used to describe the event or activity, indicating presence there.
Eve döndüğümde balıkta çok eğlendiğimizi söyledim.
When I got home, I said that we had a lot of fun at the fishing event.
In this example, 'balıkta' conveys the idea of meeting at the place associated with fishing.