Can you fish there. Can you fish at the park

There's a pond full of Three-Eyed Fish. I don't think your allowed to talk to them though.

There's a very small mucky pond but its most populated by turtles. I doubt you can fish there.

if so, it may be catch and release

There's no body of water, so no.

Nope

Ive seen fishing stuff left out there so ppl do but idk if youre allowed

No