How can I keep the snakes out of my koi pond?

Question

I found that my baby fish are no where to be found but have gardner snakes in the pond.

Answer 1

Putting heron statues in your pond is a good way to keep predators away and sometimes even pond coverings.  If snakes see a huge bird that'll eat them in the pond they usually will stay away.

Answer 2

heron statues or fence