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10 Mind-Blowing Aquatic Animals You Never Knew Existed

The Barreleye Fish has a transparent cranium that enables it to see above and below its body.

Barreleye Fish

Tetras are tiny, colourful fish that are also common in aquariums. They favour 72-82°F temperatures. Because they are shoaling fish, they should be housed in groups of six or more.

Sea Pen

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Axolotl

This amphibian, also known as the Mexican salamander, has the capacity to regrow its appendages and even its spinal chord.

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Blue Dragon

This marine slug glides upside down on the ocean's surface, using its bright blue underbelly to hide from predators.

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This endearing octopus "flies" through the ocean in pursuit of prey thanks to its big ear-like fins.

Dumbo Octopus

Goblin shark

The goblin shark is a deep-sea predator with a long, protruding snout and sharp fangs that it employs to capture prey.

This seahorse cousin blends in flawlessly with seaweed and kelp thanks to its complex leaf-like appendages.

Sea Dragon with Leaves

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Vampire Squid

This enigmatic species has crimson eyes and cloak-like webbing to protect itself from attackers.

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Wobbegong Shark

Because of its distinctive pattern and frilly look, this shark can merge in with the ocean bottom and attack its victim.

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Yeti Crab

A deep-sea hairy crustacean with claws coated in silky white fur that it uses to capture prey.

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