Kogia breviceps is a species of whale that belongs to the family Kogiidae. This species is commonly known as the Pygmy sperm whale due to its small size compared to the giant sperm whale. As a marine mammal, Kogia breviceps is also known by different names, including the lesser sperm whale, dwarf sperm whale, and the snub-nosed whale. These synonyms are used interchangeably due to their resemblance to the sperm whale and their shared physical traits. Despite their size, pygmy sperm whales are fascinating animals, and they play an essential role in maintaining the delicate ecosystem of the ocean.