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With an unusual, even somewhat bizarre appearance, many creatures choose the ocean floor as their home: Life is under great pressure, the water is cold and there is no sunlight .

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>> 10 giant animals on the ocean floor

Photo: Awashima Marine Park

Wrinkled shark, prehistoric shark or lizard shark, all are names for this strange fish. Currently, scientists still wonder whether this shark existed 380 million years ago or only 95 million years ago. In the world, only two living specimens were captured at the coast in Japan, one at the end of the nineteenth century, one in 2007 and by fishermen accidentally found in the fishing rafts. me The most surprising thing is that this is a species of shark that is rarely seen by humans, because it lives in places from 600-1500m. While the fish was found in a shallow water off the coast of Japan.

Photo: David Doubilet

Supposedly the largest arthropods on earth, giant spiders spend a lot of time searching for food in the seabed at a depth of 300m. The largest giant spider ever caught was discovered in Heda, Suraga Bay, southwestern Tokyo 3m long weighing 15 kg. But according to scientists, when this species matures its length can be equal to a car.

Photo: Jonathan Bird

A pair of wolffish selects a cave located at a depth of 500m in the Atlantic ocean floor to build houses and conduct mating. This fish has an impressive set of teeth, their food is hard shell molluscs, crabs and sea urchins.

Photo: David Wrobel

Canine fish is one of the deepest living fish ever discovered. The normal habitat of this fish is usually at a depth of 2,000m but scientists also found this species in icy areas with a depth of nearly 5,000m. Although the body is very short (maximum length is 15.24 cm), but with a large head, wide mouth and sharp long fangs up to 16cm, fangs are considered a 'character'. Bound in marine life. Because of this fierce appearance, they also have a different name as 'goblin'.

Small canine fish are usually light gray but when mature they turn dark brown or black. Due to the scarcity of food resources, this fish appears to be 'easy to raise', they eat whatever they earn. Much of the food they get is leftovers from the upper water falling.

Photo: Paul Nicklen

This 6-bearing shark was found off the coast of Vancouver, near an ocean-going ship with a depth of 2,500m. But at night, this 6-bearing shark moves up near the water to feed. This species can reach an impressive length of 4.8m as an adult. They are also different from other sharks. Stingray, squid, crab and sometimes seals are their favorite foods.

Photo: Emory Kristof

The pressure is high, the temperature is always frozen and there is no sunlight - all the tough challenges are nothing for giant pipeworms. They learned how to adapt and live near the ocean floor hydrothermal vents.

This giant pipeworm community captured on the seabed is 2.4 km from the water near the Galápagos Islands, the eastern Pacific.

Photo: Kim Reisenbichler

Despite its formidable name, vampire ink (Vampyroteuthis infernalis) is just a small mollusk - with a maximum body length of about 30 cm - living in deep water 550-1,100 m under the ocean. They are not dangerous to people. Scientists often see them in temperate and tropical seas on the planet. This is the only head-legged animal that is related to both octopus and squid.

In fact, vampire ink was first discovered in 1903, but then scientists put them in the octopus family.

If you meet them for the first time, it is easy to mistake the vampire ink coming out of some sci-fi film, because their bodies are capable of turning upside-down. Although the body size is small, the vampire ink has huge eyes. Their eyes have an average diameter of 2.5 cm - equivalent to the eyes of a large sized dog.

Photo: David Wrobel

Viper snake fish (scientific name: Mesopelagic, found at depths of 80-1,600m) belongs to the genus Chauliodus, which is one of the most fierce-looking creatures of the ocean. At night, some fish snake Viper turn black and start glowing with bioluminescent parts distributed on the 'strategic' areas of the body, such as the dorsal fin used to hunt the prey above.

Some snake Viper fish have no pigmentation, or in other words, they are transparent and fully visible. Their eyes are always wide open to capture the maximum amount of light possible. The stomach of Viper snake fish is very large, elastic, helping them to swallow and digest prey even much bigger than them.

Photo: Espen Rekdal

A close-up view shows that the teeth of this wolffish are indeed potential customers of orthodontic doctors. With these teeth they can re-feed soft-bodied animals to crustaceans and even crabs or sea urchins.