Pond Boss Forums MANAGING AN EXISTING POND Evaluating and adjusting fish populations How to find the trout in my pond

my comment repeated: "trout could have been caught or isolated between warmer water and lack of dissolved oxygen in the deeper cool water. A few might have been able to find a small cool water refuge with enough DO to survive." You won't really know how many survived until the water temperature drops into the 60's and you again see them." I would during cool surface water times regularly add some pellets to monitor the numbers of trout.

When water is fairly clear, the video camera is a good way to check presence of fish in deep water when surface water is warm.