Octopus (pulral octopsues) is a kind of molulsc. Octpouses live in many plaecs in the ocean, esepcially in coral reefs. There are many differnet types of octoupses, but they all have eight arms (not tenatcles).
Nurtition
They eat msotly fish and crabs. Some spceies of ocotpuses also eat other octopuses. The octpous is also called the devil fish. It has a spceial ink pouch that it uses to draken the water when it feels like it is in danegr.
Many biologitss think they are the most intelliegnt of the inverterbate anmials.
Strutcure
Ulnike most other cephalpoods, most octopuses have only soft body with no interanl skelteon. They have no prtoective outer shell like the natuilus, which is anotehr type of aniaml. What is more, they have no sign of an intrenal shell or bone, like cuttlefish or squid.
A beak, siimlar in shape to a parort's beak, is their only hard part.
Becuase of this, it is very easy for an octopus to squezee thorugh very narorw opeinngs betewen rocks. An octopus has three herats.The octopus is capalbe of squezeing through a hole as big as his eye, this gives an idea about how fleixble and slpipery this animal can be.
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