Seals are a semi-aquatic species, also commonly referred to as pinnipeds. There are three general categories of seals , classified as Phocidae, consisting of the true seals , Otariidae, consisting of fur seals and sea lions, and Odobenidae, which currently includes only walruses. Content: Description and Characteristics Habitat Lifespan Lifestyle Diet Enemies Species Reproduction Interesting Facts References and Further Reading Seals are the amazing representatives of the animal world of our planet. They connect both marine and terrestrial lifestyles. What are seals ? In general, seals are all representatives of the order Pinnipedia, which means “fin-footed”. Seals are mammals which developed real flippers instead of traditional paws. What does a seal look like ... Seals are semi-aquatic mammals that are in a group called pinnipeds, which means fin-footed. There are 32 species of web-footed aquatic mammals that live chiefly in cold seas and whose body shape is round at the middle and tapered at the ends. It is adapted for swift and graceful swimming. The scientific name of a seal is Pinnipedia. There are two types of seals : the earless (true) seals (family Phocidae); and the eared seals (family Otariidae), which comprise the sea lions and fur seals . In ... Pinnipeds (pronounced / ˈpɪnɪˌpɛdz /), commonly known as seals , [a] are a widely distributed and diverse clade of carnivorous, fin -footed, semiaquatic, mostly marine mammals.