Not sure if that would work
What preditors are you worried about?
Herons, osprey, cormorants all hunt in different ways And would need to be countered in different ways
David
Living in Anjou , France,
For the many not for the few
http://www.permies.com/t/80/31583/projects/Permie-Pennies-France#330873
If the fish have more cover, then any of the predators David listed above are going to have a harder time snagging them. Do you have any vegetation planted around the banks that provides hiding spots, like cattails or mangroves? Is the bottom flat and sandy, or is it a jumble of rocks with small caves and tunnels? Maybe you can find some broken pottery or sewer pipe that you can add to provide more cover.
Drop some old tree branches into the pond as cover and habitat.
"You must be the change you want to see in the world." "First they ignore you, then they laugh at you, then they fight you, then you win." --Mahatma Gandhi
"Preach the Gospel always, and if necessary, use words." --Francis of Assisi.
"Family farms work when the whole family works the farm." -- Adam Klaus
A net. Or a dog. Long experience, unless you are a crazy meth-addled person that is ever-vigilant and never sleeps the acting-crazy and firing shots off in the air approach doesn't work.
When I had an ornamental pond, I had a problem with predator birds. They were thwarted by deeper water. I also planted lilly pads, but deeper water did the trick immediately and then the pads grew in
Geoff has a system where he stretches a net across his pond, except he places it 2-3" under the surface of the water. The birds get caught in the net, drown, then become fish food.
Problem becomes solution.
He who sweats most in times of peace,
bleeds least in times of war.
It was a ray gun. And now this tiny ad insists on being addressed as "Ray":