Deep-sea sharks in danger
The dark, cold, crushing depths of one of the world’s largest ecosystems is home to about half of all known shark species. However, living at depths between 200-3000m, these deep-sea species aren’t your typical sharks. Armed with sharp defensive fin spines, large reflective eyes, and, in some cases, an ability to glow in the dark, these alien sharks could be the stars of a science fiction horror movie.