The five prettiest octopuses are the blanket octopus, the piglet octopus, the glass octopus, the pancake octopus, and the blue ring octopus.

The first: blanket octopus

This kind of octopus was only discovered by human in 1968, they are delicate, in the water wan fluttering, like a floating blanket, so it is called blanket octopus, their wrists and feet between the covering a large area of muscular membrane, in the case of danger, they will stretch out the wrists and feet, so they look more huge to scare away the predator, if it didn't work, it is not a good idea. When in danger, they will stretch out their wrists to make themselves look bigger to scare off predators, and if that doesn't work, they will shed the muscle membrane on one side to attract the attention of predators before waiting for an opportunity to escape.

The second kind: piglet octopus

This octopus is very peculiar, their tentacles are mainly distributed in the top of the head, looks like messy hair, due to the short body, and the front end of the siphon is like a very pig's snout, so it is known as the piglet octopus, they are very small in size, the adult is only about ten centimeters, the body presents a semi-transparent shape, part of the organ will be in the dark ocean, can play a role in attracting prey, and can be used to lure predators, and then wait to escape. The body is translucent and some of its organs glow under the dark ocean, which can play a role in luring prey.

Third: glass octopus

This octopus belongs to the world's most mysterious animals, scientists searched 3900 square kilometers of the southern sea before they found their figure. They live mainly in deep-sea areas in the tropics and subtropics, feeding on small fish and plankton They are almost completely transparent except for their digestive organs and eyes.

Fourth species: pancake octopus

This octopus resembles a pancake when its tentacles are outstretched, hence the name pancake octopus. They mainly live in the Atlantic Ocean under the sea seven thousand meters in the deep sea area, often lying on the seabed above waiting for prey to pass by, but this octopus is particularly timid, once encountered a larger prey or called the big movement, they will be afraid, and then will use the tentacles to wrap themselves up, a look of slaughter, looks very cute.

Fifth: the blue ring octopus

This octopus is very small, tentacles stretched out only a dozen centimeters, but do not underestimate it, it is not large, but the toxicity is particularly strong, they only need a mouthful of prey can be made to lose their lives, and even human beings are not an exception, and at present there is no antidote for it has not been developed, so they have been classified as one of the most poisonous creatures in the ocean.