No idea . Please remember that it is impossible to avoid carp wherever you go. They may vary in size but most waters are chock full of them. My view is if you can't beat them join them.
Carp are good to catch but so are roach, Rudd, tench, gudgeon etc etc. The classic film starring Robin Williams was the " The world according to Garp" NOT CARP. I catch them but it's impossible to avoid