Like they said, put a trap out, try a cast net, maybe put a set line out, either a worm or minnow on the bottom. Patients is a vertue.

How long would you proffesionals wait until he takes further action if life isn't seen? Once the water hits 55* or 60*

What is your water temp now?


Could be you have fewer predators with enough forage so your fish aren't hungry? But not a total fish kill.... Good luck, keep us posted

Water is the basis of all life, by design!