This is a list of aquaria (public aquariums). For dolphinariums, see List of dolphinariums. For zoos, see List of zoos. For a list of defunct zoos and aquariums, see List of former zoos and aquariums. Aquariums are facilities where animals are confined within tanks and displayed to the public, and in which they may also be bred. Such facilities include public aquariums, oceanariums, marine mammal parks, and dolphinariums. According to Vancouver Aquarium there are over 200 aquaria worldwide.