Weird Nature 13 Gnarly Creatures That Have Adapted To Life On The Ocean Floor  

Nathan Gibson
497 votes 137 voters 10.3k views 13 items

List Rules Vote up the gnarliest creatures on the ocean floor.

Although there are millions of different species of animals on the planet, perhaps the scariest of all are the creatures who live on the ocean floor. These deep-sea creatures have made the lowest parts of the world their home, surviving thousands of meters below the surface. Down in those environments there are all kinds of hazards and complications. Food is often scarce, there is hardly any light, the water can reach almost freezing temperatures, and the pressure of so many feet of water is a crushing weight.

It is little wonder, then, that many animals of the deep ocean have only survived thanks to bizarre adaptations that would never have evolved in other places. While this makes for some rather nightmarish looking deep-sea fish, these terrifying marine creatures are simply doing the best they can to survive in one of the most difficult environments on the planet. Here are a few of these bizarre oddities of nature that are, fortunately, far enough away from the average land dweller to pose no real danger.

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Ghost Shark

Chimaera is listed (or ranked) 1 on the list 13 Gnarly Creatures That Have Adapted To Life On The Ocean Floor
Photo: NOAA Ocean Explorer/Wikimedia Commons/CC BY-SA 2.0

Officially known as chimaeras, ghost sharks are a type of fish that are incredibly rare. The fact they live so deep in the ocean and only survive in small numbers means it is difficult for scientists to video them. Despite their name, they are not actually sharks and belong to a genus of creatures that split off from the larger predatory fish some 300 million years ago.

Like many other deep sea creatures, they use electroreception to locate prey and have a venomous spine on their dorsal fin.

Scientific Name: Chimaeriformes

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Video: YouTube

Goblin sharks are arguably the world’s deepest living shark, making their home at more than 1,000 meters below sea level. Their standout feature, and something that makes them look astoundingly ugly, is their huge mouth. The animal's entire jaw can be projected forward to trap prey in its mouth. This is possible because the jaw is not fused to the skull, but is held in position with cartilage and ligaments.

Researchers believe this bizarre adaptation is the result of the shark’s habitat. The deep ocean has a relatively less diverse group of creatures that call it home. The fact that the goblin shark can swallow a wide range of different sized prey gives it the chance to make the most of its scarce hunting grounds.

Scientific Name: Mitsukurina owstoni

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#18 on The Scariest Animals in the World

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Erenna is listed (or ranked) 3 on the list 13 Gnarly Creatures That Have Adapted To Life On The Ocean Floor
Photo: Kevin Raskoff/Wikimedia Commons

The erenna is a species of siphonophores that has been found living in the deep sea off the coast of California. Similar to a jellyfish, they appear to be translucent and have a gooey texture. However, they differ in one important aspect.

The erenna is not just one single organism but is actually made up of hundreds of tiny creatures called zooids that work together as a whole. This particular species uses bioluminescent red light to attract prey before stinging its victims to death.

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Pompeii Worm

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The Pompeii worm is a species of polychaete (marine worms) that lives on the floor of the Pacific Ocean. Measuring just 13 centimeters long in most instances, they are bizarre-looking with their backsides covered in thousands of tiny bristles. They feed on microbes given off by hydrothermal vents, meaning they have to withstand water that is close to boiling point temperatures.

Researchers believe that the bristles may be responsible for allowing the creatures to survive in this harsh environment. This is because the hairs are actually bacteria that work in symbiosis with the worm to provide thermal insulation. In turn, the Pompeii worm secretes a mucus that feeds their back-dwelling bacteria.

Scientific Name: Alvinella pompejana

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