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  • Thumb of Swima bombiviridis video

    (#9) Swima bombiviridis

    Researchers only discovered this species of worm very recently when robots uncovered a collection of the segmented worms from the ocean floor near California. The almost see-through creatures use tiny bristles to swim through the water at some 3,000 meters below the surface.

    They also have a set of four gills that are bioluminescent and glow green. Oddly, the worms can discard these bioluminescent parts from their bodies, leaving them in the ocean to cause distractions so that they can escape predators. This is where the name comes from, as the green gills resemble small illuminated bombs.

  • Predatory tunicate on Random Gnarly Creatures That Have Adapted To Life On Ocean Floor

    (#13) Predatory tunicate

    • Megalodicopia hians

    Looking like some kind of underwater Venus flytrap, the predatory tunicate is a unique sea squirt that researchers discovered near California. Unlike its relatives that get their nutrients from filter feeding, the predatory tunicate entices small organisms into its gaping mouth-like structure.

    Once inside, the tunicate quickly shuts its "lips" trapping the creatures inside its hood with no chance of escape. Then the sea squirt begins digestion. The mouth will remain closed for the duration of feeding and only opens again once it is ready to eat.

  • Fangtooth on Random Gnarly Creatures That Have Adapted To Life On Ocean Floor

    (#4) Fangtooth

    • Anoplogaster brachycera

    One look at a fangtooth fish and its easy to categorize them amongst the monsters of the deep. These creatures are relatively harmless to humans as they can only grow to around 15 centimeters in length. That doesn’t make them any less daunting for other deep sea living fish, though.

    With the largest teeth in proportion to their body out of all marine life, they are capable hunters who are able to kill other fish up to one-third their size. The horrific looking creatures have been seen living at depths of 5,000 meters.

  • Thumb of Pompeii worm video

    (#8) Pompeii worm

    • Alvinella pompejana

    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.

  • Thumb of Chondrocladia lyra video

    (#6) Chondrocladia lyra

    What makes the harp sponge such an unusual creature, apart from its frankly bizarre appearance, is the fact that it is carnivorous. The vast majority of coral species get their nutrients from algae, depending completely on photosynthetic lifeforms for food.

    This particular example has a different method. Using tiny hooks that work in a similar way to Velcro, it is able to trap small creatures living on the ocean floor. Thin membranes then surround the trapped organisms as chemicals slowly begin to break them down.

  • Goblin shark on Random Gnarly Creatures That Have Adapted To Life On Ocean Floor

    (#1) Goblin shark

    • Mitsukurina owstoni

    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.

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About This Tool

Scientists know more about the ocean than about space. Among the more than 200,000 species we know, many have adapted to the high-pressure and dark seabed environment with peculiar camouflage, foraging methods, and mating habits. The ocean with a depth of more than 200 meters is dark all year round, with high salinity, high pressure, low temperature, aquatic plants cannot grow there, and animal species and numbers are very poor.

Here the random tool introduced13 gnarly creatures that have adapted the life in the deep ocean. Most of the deep-sea creatures are permeable because of their soft body, which can be well balanced with external pressure, and their eyes or tactile organs are highly developed.

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