Normally tilapia can't handle cold water, and they will die when the water temp gets below 50 degrees or so. I suppose they could have a chance of living through the winter at the Gallatin Steam Plant though.
They are a tasty food fish but there's actually some cause for concern here though. They are extremely prolific breeders, and we could have a real invasive species problem if they are able to over-winter in our local lakes in any numbers.
Most likely, I suspect some "bucket biologist" dumped a load of tilapia into the Steam Plant water recently. We will have to wait and see what happens after the winter.
bd
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