Tropical Fish in warm water discharges?

[itrebebag99]

I have always wondered if semi cold tolerant tropical fish such as tilapia, plecos, walking catfish,etc, could survive in temperate regions by congregating in the warm water discharges from nuclear or coal burning power plants?

 

[Drx6x]

well there's a gator that's been seen bunch over several years in the desplaines river in northern il so i would say it's definitely possible