Yea, I know too much about that and other carp because of my brother. He stole from me and all kinds of grief, I don't even talk to any more. Was trying to be sarcastic, sometimes it works, sometimes not! Lol. :)
just put them there..they can last a lifetime...then the little ones need to grow first to mature. feed them with butter and leftovers to get fatter...then let them mate with the other fatties...then the two goes to africa to be in the slaughter house..served free to african families...thats how you do it