Thanks for all the help, I emailed an aquaculture extension agent to try and find what supplier he would recommend. He told me that Tilapia didn't eat FA very well and said the sterile carp would be better That totally seems oposite of what people have said here. I think my neighbor put some carp in a couple years ago they didn't knock the FA down. The more I read the better the Tilapia sounds I just have to decide what and how much I a willing to invest.