You do what you are recommending here and you’re likely to kill your fish from temperature shock. Lake st Clair is basically the same temp from top to bottom. The lake doesn’t stratify. The water isn’t 55 degrees at the bottom in 20 fow. You catch a fish in 75 degree water and throw her into 55 and she dies of shock. And vice versa.ICYMI, this was shared by gundoggy last year.
For me, the takeaways are one, protecting bass during the spawn offsets bass killed during Summer. As much as MI bass guys complain about Canadian regs and their late opener, if not for bass on that side of LSC being allowed to produce more fry successfully, we'd see an even more dramatic drop in smallie numbers on the pond. And two, all anglers participating in Summer tournaments should be mandated to carry multiple bags of ice to maintain livewell temps at or below 55F for 8+ hrs. This would reduce the number of dead bass at scales as well as through delayed mortality. I have no issue with bass tourneys, just those anglers that waste the resource. The information has been out there for years. Just a matter of guys caring enough to make sure their fish are released as healthy as when they were caught.