These strange mollusks

Colorful and poisonous cuttlefish or giant octopus can develop body length up to 9m are unique characteristics of mollusks.

Cuttlefish Metasepia pfefferi is a colorful species.The ability to change colors helps them hide or threaten the enemy.Muscle tissue of this squid contains high toxicity.This is one of the few mollusks that has poison.

According to Chris Payne, a researcher at Monterey Bay Institute of Oceanography, USA, dwarf squid is the smallest squid in the world.

Meanwhile, the Pacific octopus is the largest octopus in the world.An adult octopus weighs hundreds of pounds and can develop body length up to 9 m.This octopus is also known as the master of camouflage in the animal world.It can change both skin texture and color to protect itself.

A cuttlefish moves by twisting the slender run along the body length.However, when it needs to move quickly to escape, it will push the water flow through the nozzle.When threatened, the cuttlefish can spray a kind of ink.Since ancient times, this ink has been used to write and draw.

The squid is a species of squid that has thick oval-shaped fins, extending around almost the entire layer.This species of squid has fast growth, short life cycle, easy to transport and easy to live in captivity.In the picture are the eggs of the squid species collected in the Indian Ocean, with about 300 eggshells, each of which has 6 embryos.

Unlike many other octopus species, octopuses are more active during the day than at night.This octopus is native to Honolulu, Hawaii, it also lives in East African waters.An octopus has an average length of about one meter, has a short life span (about a year) and only reproduces once.

The British snail is a soft-bodied animal that often lives on the seabed a few hundred meters deep in tropical and subtropical regions.This animal has the ability to securely hide incubators thanks to its protective shell.Soft snail body in shell, symmetrical on both sides.

The usual color of a red octopus is bright red or reddish brown.However, like many other molluscs, they can also change colors quickly, like yellow, brown, white, red . Red octopus is considered a smart animal.

Wonderpus octopus originated from the Indian Ocean - Pacific region.Each individual has unique white spots on the head.This feature allows scientists to track their tracks.