PetCo is one of the few pet stores in the Lawrence area. PetCo has food and supplies for fish, dog, cats, guinea pigs, pigs, ferrets, and birds. You however can only buy fish, guinea pigs, ferrets, lizards, and mice. On some weekends you can adopt a dog through some agencies. PetCo has a loyalty card that helps you save on certain items and keeps track of what you buy so you get coupons.