(This video is no longer available for streaming.) We've grown accustomed to heart surgery for dogs, chemotherapy for cats, and other variations on human-quality care of pets, but what about surgery for goldfish? Nowadays, more people in America own fish than cats or dogs, and their attitudes about these pets are changing. Correspondent Rebecca Skloot reports on the latest in veterinary medicine for our finned friends. In this emerging branch of veterinary science, there are now more than 2,000 "fish vet" specialists who are performing X-rays, ultrasounds, CAT scans, and MRIs. There are no limits other than what pet owners are willing to spend.