My Doberman, Blue, wasn't fixed because we intended to breed him but it turns out he was too big for standard *according to the snooty breeders around here, I think he's just fine* and now *at 8 years old* he is too old to be fixed. I had my Twilight baby fixed when I got her...the previous owner never had the $$$ to do it...she was over a year old when I got her and didn't even have her first shots ! I don't think she even went to a vet at all. I forked out the cash, having a healthy dog meant a lot more to me than having the money to get more useless junk. I wish more people would think the same way. As for the other pets...fixing a bird or a fish is really hard and Im not even sure if you CAN fix a leopard gecko lol