- like a fish out of water = strange, different to the rest
- like a fish in muddy/troubled waters = in confused subjects
- a big fish (in a little pond) = an important person (in a small comunity or a restricted situation)
- an odd fish = an eccentric person
- to dream like fish = to dream a lot
- to drink like a fish = to drink a lot of alcohol
- to have bigger/other fish to fry = to have something more important to do
- neither fish, flesh nor good red herring = too ambiguous
- there are (plenty of) other fish in the sea = there are (many) other people/things