Family Aplysiidae is commonly referred to as the sea hare family. These marine animals are found in various oceans and are characterized by their large size, soft body, and lack of a protective shell. Another synonym for this family is the sea slug family due to their resemblance to the terrestrial slug. Members of this family are also known as sea rabbits or sea pigs, as they possess long ears or tentacles on their heads that resemble rabbit or pig ears. The Aplysiidae family includes more than 30 genera and over 250 species. These creatures play an essential role in the marine ecosystem and are often used for their medicinal and biochemical properties.