Axolotls are also known as Mexican walking fish. Their name stems from an Aztec word meaning water dog or water monster. Axolotls have cylindrical bodies, short legs, a relatively long tail and feathery external gills. They have four toes on the front feet, five toes on the back feet and moveable eyelids.
Vampire squid are found in temperate and tropical deep-water zones worldwide at depths of 600 to 1200 m (1958 to 3937 ft).
Some researchers have estimated that goblin sharks can live up to 60 years. Although goblin sharks are rare, they've been categorized by the IUCN as “Least Concern,” meaning that they are not at threat of extinction. They are widely distributed and rarely seen by humans—their population numbers remain stable.
The IUCN conservation status of each pangolin species ranges from vulnerable to critically endangered. The Sunda, Philippine, and Chinese pangolins are considered critically endangered, each suffering from overhunting, trafficking, and habitat loss.
The narwhal, is a species of toothed whale, and the only member of the genus Monodon.