I am close to you and if I could help with your dilemma I would. Here are some things that come to mind. Flordia's are and have been in our area for at least 15 yr's based on my fishing. And Native Bass are also in our area, based on my fishing. And I am pretty sure a hybrid ( Mixed bloodlines of these bass ) have been (in the majority) of the biggest bass caught in Texas. If you take Lake Fork as an example, of the top 5 big bass caught in the lake, 4 were Hybrids and only 1 was a pure Florida. So does that mean anything? It tells me that, a very large LMB can be of mixed blood. And maybe you could say the Hybrid bites more and is easier to catch. I hope it all works out for you. Life is good.
Thanks for the offer and the info. I have a lead on getting these fish DNA tested. If it works out where I can get them tested and these fish turn out to be Florida, then I will just manage what I have. If they are not Florida, I think that I will probably just catch all that I can out and then stock adult pure Florida Bass.