I know goldfish, koi, minnows, and alligator gars can survive freezing water. What other fish can survive cold water?
Plus Siberia.Can you be more specific? There are hundreds of species in North America and Eurasia that thrive in cold water conditions.
Greenland shark
...............you'll need a very big tank for these guys
What about peacock bass?Channel cats, a lot of catfish species, carp, sunfish, bass....