Ability to withstand the most extreme conditions is what distinguishes most deep sea species.
Check out this list of 10 creatures of the deep.
Looking like aliens from another world, these scale worms (Polychaetes) inhabit the depths of around 3200 ft (1000 m) where it is pitch dark and the pressure is immense.
With a look of a sci-fi alien, vampire squid has remained mostly unchanged since the prehistoric times. Neither a vampire, nor a squid, this is one infernal looking creature.
Known for it's overgrown teeth and ferocious hunting, viperfish is considered as one of the popular deep sea animals. Check it out for facts and images.
Check out some of these cool starfish pictures.
Also known as a sea star, this is one very picturesque creature.
Although mostly inhabited by various monster-like creatures, sea depths are a home for some quite cute animals. Check them out.
Beside for its stings, jellyfish is also known for it's fascinating appearance.
Just look at these cool jellyfish pictures.
Shark jumping out of the water with its two ton body is one amazing sight. Check out these fascinating shark jumps photos.
It's a demonstration of shear force and power by the worlds greatest predator.
Take a look at these transparent deep sea animals including the weird barreleye fish and a funny-looking thing called salp.