Chilling creatures of the deep blue sea

September 23, 2024

The ocean is home to sea creatures that may scare you.

Much of the ocean's life has yet to be discovered; according to the National Ocean Service, scientists estimate that as many as 91 percent of marine life remains unclassified.

Of all the creatures that make up the ocean, many are breathtakingly beautiful, while others can send shivers down your spine.

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Among the discoveries are 12 terrifying sea creatures with terrifying looks.

The deep blue ocean is filled with fearsome creatures like the two pictured above. (iStock)

Lamprey (Plamyendodontiformes)
Dolphin (Skotoplanet)
Blobfish (Psychrolutes marcidus)
Honeyeater shark (Honeyeater oostoni)
Labuka (Chlamydoselachus anguineus)
Vampire squid (Vampyroteuthis infernalis)
Largemouth Bass (Bathynomus giganteus)
Stonefish (Sinansui)
Common Swallow (Chiasmodon niger)
Stargazer (Uranuscopiidae)
Anglerfish (Monkfish)
Sloane's Viperfish (Chauliodus solani)

1. Lamprey (Petromycetes)

Lampreys are parasitic fish native to the Atlantic Ocean.

This fish has a skeleton made of cartilage and a round mouth full of sharp teeth.

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These fish suck blood and other bodily fluids from their prey.

According to the Great Lakes Fisheries Commission, lampreys were first recorded arriving in Lake Ontario via the Welland Canal in 1835.

Lampreys have quickly spread throughout all of the Great Lakes, and according to the National Ocean Service, just one lamprey can kill 40 pounds of fish each year.

Since then, traps have been set to control sea lampreys from invading the Great Lakes.

A lamprey's mouth looks like a giant sucker packed with tiny but sharp teeth. (iStock)

2. Sea pig (Skotoplanet)

Dolphins are found on the ocean floor, crawling on their little legs and peering into the muddy seabed in search of something to eat.

The scientific name for the sea pig is Scotoplanet. This creature is very small, only 1.5 to 6 inches long.

Researchers have spotted hundreds of these tiny creatures swarming along the ocean floor.

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3. Blobfish (Psychrolutes marcidus)

The Blobfish is one of the strangest fish that inhabits the deep blue ocean.

Its appearance is, as you might imagine, similar to a lump, and it is often found on the ocean floor.

Blobfish lie in wait on the ocean floor for unknown prey to swim after them.

The blobfish is a flabby sea creature that often sports a grimace-like expression across its face. (HUM Images/Universal Images Group via Getty Images)

4. Honeyeater Shark (Honeyeater oostoni)

The hawk shark looks like a prehistoric creature.

This shark has a very long snout, small eyes, jagged teeth, and is found deep in the ocean.

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This rare species is usually pink or purplish-grey in colour.

5. Snake shark (Chlamydoselachus anguineus)

According to Oceana, the lure shark's gills have a frill-like appearance, which is where its name comes from.

According to sources, it moves similarly to an eel and mainly seeks out and eats squid.

The frilled shark can grow to about seven feet in length.

The frilled shark swims in a similar way to an eel. (Awashima Marine Park/Getty Images)

6. Vampire squid (Vampyroteuthis infernalis)

According to the Smithsonian Oceanographic Institution, vampire squid live in dark parts of the ocean where oxygen levels are low and there are few predators to target them.

According to the Monterey Bay Aquarium, the vampire squid's scientific name, Vampyroteuthis infernalis, translates to “vampire squid from hell,” but the vampire squid isn't actually a squid.

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The most distinctive features of the vampire squid are its eight arms and large eyes.

7. Largemouth Bass (Bathynomus giganteus)

You may not have seen a giant isopod, but you've probably seen a giant lugworm, which gives you a good idea of what this sea creature looks like.

This giant isopod has seven pairs of legs and moves slowly through the depths of the ocean.

According to the Aquarium of the Pacific, food is limited in the deep ocean where the giant isopods live, so they rely on both dead and live animals for their meals, munching on food that has fallen to the ocean floor.

Giant isopods are strange sea creatures that resemble rumbling swells. (Doug Duran/MediaNews Group/Mercury News via Getty Images)

They are known to go long periods without eating at all – in fact, sources say there is one record of a giant pond turtle at an aquarium going four years without food.

8. Stonefish (Sinansui)

Glancing at a photo of a stonefish, you might think you're looking at a coral reef in the ocean. But look closer and you'll see that the stonefish forms a shape.

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Stonefish are masters of camouflage and often hide amongst coral and rocky reefs.

This technique allows the stonefish to sneak up on its prey while remaining almost motionless – it just sits there motionless and waits to ambush its prey when it approaches.

According to the Australian Museum, the fish is the most poisonous in the world and is extremely dangerous to humans.

Stonefish have perfect camouflage skills, hiding amongst corals and reefs and waiting for unsuspecting prey. (Photo by Reinhard Dirschaer\Ulstein via Getty Images)

9. Common Swallowtail (Chiasmodon niger)

The black swallow has a highly expandable stomach.

According to the Smithsonian Maritime Museum, the black bait eel's large stomach allows it to eat fish much larger than itself, up to just 25 centimeters in size.

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This fish is typically brownish-black in color.

10. Stargazer (Uranuscopiidae)

The stargazer lies directly beneath the sand.

This fish has sharp teeth, venomous spines, and large eyes.

These fish are particularly interesting as their eyes are located on top of their heads and can peer out from the sand.

Stargazers dive to the bottom of the ocean and search for prey with only their eyes sticking out. (iStock)

According to marine conservation groups, they often hide under the sand when hunting, burying their bodies in the sand and waiting, on the lookout, until a fish comes into view.

11. Anglerfish (Monkfish)

Anglerfish are not just cartoon monsters from the movie “Finding Nemo,” but real creatures that live in the deep sea.

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In the film, Marlin and Dory are attracted to a light on the end of a pole coming out of the anglerfish's head before being chased through the ocean by the deadly fish.

This description is very similar to what anglerfish do in the ocean.

Anglerfish are usually black in color and can grow to about four feet in length.

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A fishing rod-like rod extends from its head, the tip of which glows to lure prey.