This bioluminescent deep-sea predator has needle-like teeth and an enormous mouth.
What is a black dragonfish?
This small but deadly cephalopod hypnotizes prey using pulsating color changes.
What is a cuttlefish?
This reef fish can change color to blend in with coral and seaweed.
What is a parrotfish?
This fish produces a natural antifreeze to survive in icy waters.
What is an icefish?
What is the Kraken?
This rare deep-sea shark has an extendable jaw that launches forward to capture prey.
What is a goblin shark?
This marine creature amputates its own arms to escape predators and can regrow them later.
What is a brittle star?
This master of disguise mimics multiple species, including crabs, sea snakes, and lionfish.
What is a mimic octopus?
This fish can climb waterfalls using suction cups.
What is a Hawaiian goby?
This real-life "sea serpent" is a long, deep-sea fish that inspired many legends.
What is an oarfish?
This bizarre deep-sea fish has a jelly-like body, lacks bones, and collapses under normal pressure.
What is a blobfish?
This fish creates mesmerizing, circular sand structures on the ocean floor to attract mates.
What is a Japanese pufferfish?
This flatfish starts life with eyes on both sides of its head, but one eye migrates as it matures.
What is a flounder?
This eel-like fish produces thick slime as a defense mechanism.
What is a hagfish?
This cryptid, said to inhabit the waters of British Columbia, resembles a massive sea snake.
What is Cadborosaurus?
This shrimp-like crustacean thrives near hydrothermal vents, surviving extreme heat and chemicals.
What is vent shrimp?
This predatory sea star turns its stomach inside out to digest prey externally.
What is a crown-of-thorns starfish?
This shark species camouflages itself by looking like a piece of coral or rock.
What is a wobbegong shark?
This predator’s jaw and pharyngeal teeth allow it to capture and hold prey like a horror movie monster.
What is a moray eel?
Some believe this prehistoric marine reptile, rumored to live in Loch Ness, still exists.
What is a plesiosaur?
This deep-sea squid has elbowed arms and is sometimes called the "bigfin squid."
What is a Magnapinna?
This species of jellyfish can revert to an earlier life stage.
What is an immortal jellyfish, or Turritopsis dohrnii?
This tiny crustacean is nearly invisible because its body has no pigment or reflection.
What is a glass shrimp?
This deep-sea fish has a second, internal set of jaws that shoot forward to grab prey.
What is a gulper/pelican eel?
This legendary Japanese sea spirit is said to have the body of a fish and the head of a human.
What is an Amabie?