There is no need to clear your ponds from ice, although fish will benefit from the extra oxygen. Icy Ponds
Herons can deplete the fish stocks of your pond quickly: try stringing nylon strings across the edges of the pond! Herons at Your Pond 01 Comment
Is there already any risk of frost in your area? Do not forget to prevent your pond from freezing over! Prevent Your Pond from Freezing Over! 01 Comment