• CBBC
• Wild
• Amazing Animals
• Octopus

The mollusc with the replaceable arms

• The octopus is a mollusc and so it's related to slugs and snails.
• It has no bones or shell but its soft body hides a powerful beak-like mouth and strong tentacles.
• Its squidgy body allows it to squeeze through gaps no bigger than its eye to escape predators such as eels, dolphins and sharks.
• If threatened, it will switch to jet power, sucking water into the body and shooting it out of a special tube for a quick getaway.

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