[bcrdukes]

Hi pet experts,

My dad has a collection of Japanese Koi. I'll Coles Notes the dillema:

1. They're getting fairly big (scary big)
2a. The tank is becoming small due to their size
2b. Because the tank is small, they don't have a lot of room to swim around in
2c. They can't swim around because the fish are too big and there are too many

If I were to get another tank, would splitting half of the Koi in another tank cause a problem like shock and result in death? I don't know much about fish in general but any advice would be appreciated. Thanks!