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Octopuses mostly dwell in solitary, with the exception of the mating periods.

When faced with adverse situations, octopuses resort to changing their color to throw the predators off their scent, and octopuses can also slide through gaps for escaping in tight situations. Lastly, octopuses dissolve the bones and flesh of the prey using their saliva. Octopuses catch their prey using their arms, and once they have their grip on them, a paralyzing venom is inserted into the prey, making them incapable of moving. For their prey, they have their eyes on big fishes like crabs and lobsters. Octopuses prefer living nearer to the ocean bed inside dark gaps and cave-like structures. A typical octopus’s size can range between 1 centimeter and 9 meters. Octopuses have eight arms in total, all of which spike out from their heads in a spiral fashion. While mating, squids attach their eggs to floating seaweeds or to the seabed.Īn interesting fact about squids is the existence of a specific breed, called the Humboldt squid, that can change its color to blood red! They do this as a defense tactic to turn invisible to predators since red light cannot travel far underwater because of its short wavelength.Įxcept for the bones inside their skull, the rest of their bodies do not have any bonelike material at all. Although squids usually mate in large groups, they are also capable of living an isolated life. They catch their prey, making use of their two long tentacles with the suckers at the tip.Īs preventive measures to protect themselves from predators, squids eject ink into the water and escape. Shrimps or prawns and small fishes swimming around in the open ocean are their primary meals. They do not take shelter inside crevices.

A typical squid is usually 60 centimeters to 20 meters long in size. The eight arms they have in the rear have suckers all over them, whereas the two long tentacles only have suckers at the tip.

There are eight arms on their back and two additional long tentacles in the front. They have a skeletal structure with a long bone in the middle, which gives them stiffness. A squid is a marine creature belonging to the Cephalopoda class and Teuthida order.