Family Phocidae is the family of marine mammals commonly known as seals. There are several synonyms for Family Phocidae depending on the region and the species. In Australia, seals are referred to as pinnipeds, while in the UK they are commonly called sea dogs. In the North Atlantic, seals are known as harp seals, while in the temperate and tropical seas they are referred to as Mediterranean monk seals. In the colder regions of the world, seal species such as the hooded seal and the bearded seal are commonly found. The term otariidae is also sometimes used to refer to a specific group of seals known as the eared seals. Regardless of the term used, these fascinating creatures are an integral part of the marine ecosystem and are admired for their agility and grace in the water.