Here are 10 of the strangest creatures ever discovered in the Earth's oceans

The deep sea is one of the hardest parts of the ocean to explore.

At this depth, darkness sets in quickly and pressure can reach up to 110 times the pressure of Earth 's atmosphere.

Wolffish live in the North Atlantic Ocean off the coast of Canada and New England .

Giant squids can grow to 33 feet or more in length (about the length of a school bus) and weigh up to 440 pounds .

Japanese spider crabs live at depths up to 600 meters ( 1,200 feet ).

Goblin sharks live in the Atlantic , Pacific , and Indian Oceans at depths up to 1300 meters ( 4,200 feet ) Giant tube worms are found in hydrothermal vents in the Pacific Ocean at depths around 1500 meters ( 5,000 feet ) They have no digestive organs whatsoever, and instead get their nutrients from symbiotic bacteria that use the energy from hydrogen sulfide to feed the worms.

Giant isopods are another bizarre discovery and strange sea-floor creature that haven't been studied a lot.

The anglerfish is one of the most fearsome-looking of all the fish in the ocean thanks to their sharp teeth that they use to snatch up prey when it comes too close.

Singapore and Indonesian scientists have recently discovered a number of unknown deep-sea creatures.

Comb jellies, also called sea walnuts, live at depths of up to 7000 meters ( 23,700 feet ).