What fish can live in very cold water?

[Deedsta]

you should stick to koi and goldfish

There not that cool... Some kois are but I want different fish to look at

 

[reptilerancher]

Chinese high fin banded sharks might work but stick to fish like carp and bottom feeders. no big predators

 

[Deedsta]

Chinese high fin banded sharks might work but stick to fish like carp and bottom feeders. no big predators

I put my arowanas in there during the summer lol