Pinniped Pinniped Pinnipeds, commonly known as seals, are a widely distributed and diverse clade of carnivorous, fin-footed, semiaquatic marine mammals. They comprise the extant families Odobenidae (whose only living member is the walrus), Otariidae (the eared seals: sea lions and fur seals), and Phocidae (the earless seals, or true seals). There are 33 extant species of pinnipeds, and more than 50 extinct species have been described from fossils. While seals were historically thought to have descended from two ancestral lines, molecular evidence supports them as a monophyletic lineage (descended from one ancestral line). Pinnipeds belong to the order Carnivora and their
Marine mammal training Since there are few marine parks and aquariums that open each year the demand for marine mammal trainers is very competitive. Marine mammal trainers can work in aquariums, zoos, non-profit environmental advocacy organizations, eco-tourism companies, university research laboratories, industrial research centers, private companies, and government research laboratories or marine stations. Since marine mammal trainers tend to be secure in their position and close to the animals they work with, the job turnover rate is low. Once people secure a job in this field, they tend to stay for life Here are some great schools for marine mammal training, University of