If they are legal in your state, I think they are worth it.

You will have a very difficult time finding truly purebred Tilapia. Most of them have been crossed many times over. The tilapia in the fish farm and stocking industries are more or less "mutts", making it quite hard to differentiate cold tolerance and growth rates from one group to another.

12 ac pond in NW Missouri. 28' max depth at full pool. Fish Present: LMB, BG, RES, YP, CC, WB, HSB, WE, BCP, WCP, GSH.