this is a question just out of interest, (mainly for those who winter their fish indoors), when you have your fish indoors for the winter do you keep your water temps the same as they usually are outside during summer ? and if so do the fish still try to breed ? is fish breeding habits controled solely by water temps or could it be partially effected by daylight hours ? as i say it doesnt concern me, my fish stay outside was just something i was wondering about.