A showcase of unusual sharks with the most unbelievable adaptations and unique mutations, from the dark, frigid waters of the Arctic to the boiling, volcanic cauldrons of the Pacific; a search for the cookiecutter shark and the lantern shark.
SW18
The deeper you go in the ocean, the weirder the sharks get. We're recounting the biggest discoveries, weirdest adaptations and most memorable moments from the past five years of Alien Sharks.
