Ability to withstand the most extreme conditions is what distinguishes most deep sea species.
However, certain deep sea creatures can withstand more and venture further into the deep unknown. Check out this list of 10 creatures of the deep.
10. Scale Worms - 3250 ft
These fascinating creatures can withstand the most extreme conditions in such fascinating measure that scientist link them with alien life forms. Find out more about deep sea scale worms.
09. Vampire Squid - 3500 ft
Looking like a sci-fi extraterrestrial, vampire squid has remained mostly unchanged since the prehistoric times. Neither a vampire, nor a squid, this is one infernal looking creature. Check out more info about the vampire squid.
08. Goblin Shark - 4250 ft
07. Hatchetfish - 4500 ft
Named after a distinctive shape of it's body, the hatchet-fish can reach the depths of about 4500 ft.
06. Giant Tube Worm - 5000 ft
Often grouped in colonies, giant tube worms inhabit the extreme regions surrounding the deep sea thermal vents. They can be located as deep as 5000 ft below the sea level.
05. Viperfish - 5000 ft
The extreme conditions of over 5000 ft deep waters made this creature one ferocious hunter. As the prey is scarce in such environment, the viperfish must be as effective as possible in order to survive.
04. Dragonfish - 5000 ft
Despite the small size of about 6 in (15 cm), dragonfish is one rabid predator inhabiting the depths of up to 5000 ft.
03. Gulper Eel - 6000 ft
With enormous, larger-than-body mouth, the gulper eel can withstand the conditions of 6000 ft deep waters with it's unusual built playing the crucial role in the process.
02. Giant Squid - 10000 ft
Associated with World War II stories telling of sailors being devoured by a giant creature in dark, cold waters, giant squid can dive as deep as 10000 ft.
01. Fangtooth - 16000 ft
An extreme survivor, the fangtooth fish can be located at some of the deepest part of the ocean and astonishing depths of 16000 ft (5000 m). Captivated fangtooth has once survived 5 months in captivity in spite of great differences in both temperature and pressure.