Lovely 33++ Dolphins Animal. It can get confusing at times, because some members of the dolphin family dolphins live and play in schools of five to hundreds of animals. Dolphin is a common name of aquatic mammals within the infraorder cetacea. Dolphins, a power animal symbolic of inner strength. The 36 dolphin species share more than a few characteristics. Dolphins Animal - Interspecific Aggression In Dolphins Noldus Bottlenose dolphins are great swimmers.