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Name : Blue dragon ( Glaucus atlanticus )

Where it know : Tropical and subtropical waters throughout the Atlantic , Pacific and Indian oceans

A blue dragon nudibranch floats near the surface of water with a blurred background of the rock covered floor beneath it.

Blue dragons are found across the world’s oceans and eat venomous animals.

What it eats : Portuguese military man o’war and other deadly animals

Why it ’s awesome : This tiny sea creature , which grows up to 1.2 inches ( 3 centimeters ) long , is a character of sea slug , or sea slug . Also known as a ocean deglutition or dreary angel , it has three sets of ornate " backstage " — called cerata — that makes it look a bit like a Pokémon .

Its beautiful and otherworldly appearance is down to its lifestyle . The profane dragon survive on the surface of the sea , bobbing along using an air house of cards in its breadbasket and the water ’s surface tension to keep it afloat .

Remains of the Heroon, a small temple built for the burial cluster of Philip II at the Museum of the Royal Tombs inside the Great Tumulus of Aigai (Aegae)

It float upside down for good disguise : The sea bullet ’s brilliant grim colourize blends in with the surface of the water from above while its silvery - gray back looks like the sky from below .

The blasphemous firedrake feasts on venomous creatures let in Lusitanian men o’war ( Physalia physalis ) , by - the - jazz - sailor boy ( Velella velella ) and violet sea snails ( Janthina janthina ) .

Related : Green - banded broodsac — the nous - hijacking parasite that creates disco music zombie spirit snail

Reconstruction of an early Cretaceous landscape in what is now southern Australia.

The flyspeck brute floats on the underside of the water to approach its quarry and uses amucus layerto prevent being stung when it takes a bite with its serrated tooth and hard magnetic disc in its stomach , which provide an surplus bed of United States Department of Defense against the con .

— This sea slug can chop up off its nous and raise an entire newfangled body , twice

— 13 of the most virulent sea creature on Earth

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— Carnivorous ocean bullet sucks up prey in mesmerizing video

The ocean slug ca n’t create its own toxin , but when iteats deadly preyit stores the stinging cellphone in its cerata and can release them all at once in self defence if it feels menace . This species drift with the current , which means they can moisten up on the beach — sometimes withthousandsstranding together . But natator and beachgoers are warn to keep their aloofness because the diminutive critter can tamp down a punch .

" That ’s what make them so unsafe , since they can release the stinging cells all at one time,“Jace Tunnell , film director of residential district engagement at theHarte Research Institute for Gulf of Mexico Studies , told theBBC . " It can be three times the loudness as a gentleman - group O - warfare due to that . "

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puritanical tartar conjugation is also pretty interesting . As hermaphrodites , each individual will have both male and female reproductive pipe organ at the same metre . After coupling , they lie a drawstring of up to 16 eggs which will incubate in just a few day .

Watch elusive New Zealand snail place an egg through a ' genital stoma ' in its neck

Watch cuttlefish ' flap ' at each other in what scientist think might be communicating

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illustrious tomb said to hold Alexander the Great ’s father actually contains younger man , a woman and 6 babies , subject field finds

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an infant receives a vaccine

An artist�s illustration of a satellite crashing back to Earth.

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A photo of the Large Hadron Collider�s ALICE detector.