And the better-looking the fish, the more a buyer is willing to pay. Yvo: Yeah, it depends. You can buy some small and cheap koi fish for a couple of bucks, but also, yeah, it can get up really ...

The food is also designed to float so the fish come up to the ... a lot of space (the "big fish, small pond" thing doesn't work for them). With the right care, koi can grow to be between 2 and ...