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  1. Octopus - Wikipedia

    Octopuses have a complex nervous system and excellent sight, and are among the most intelligent and behaviourally diverse invertebrates. Octopuses inhabit various ocean habitats, including coral reefs, …

  2. Octopus | Description, Behavior, Species, & Facts | Britannica

    Apr 9, 2026 · An octopus is any eight-armed cephalopod mollusk of the order Octopoda. The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water …

  3. Ten Wild Facts About Octopuses: They Have Three Hearts, Big ...

    Mar 13, 2024 · Octopuses, those whip-smart, bizarre cephalopods, embody everything creepy and mysterious about the sea. Their soft, squishy bodies, lurking in the oceans’ dark reaches, have …

  4. Octopus - Types, Size, Anatomy, Habitat, Diet, Lifespan ...

    Apr 25, 2026 · With around 300 species, octopuses inhabit every ocean on Earth, living in environments that range from shallow coastal waters to the deep seabed. Their size varies considerably with species.

  5. Octopus | National Geographic Kids

    The octopus performs its famous backward swim by blasting water through a muscular tube on the body called a siphon. Octopuses also crawl along the ocean’s floor, tucking their arms into small...

  6. 52 Mind-Blowing Octopus Facts You Won’t Believe Are Real

    Mar 22, 2026 · Discover incredible octopus facts, from shape-shifting abilities to surprising intelligence. These sea creatures are far more fascinating than you think.

  7. Octopus Energy: The UK's most awarded energy supplier

    Our standard prices have always been cheaper than any other large supplier. Most homes could save with our fixed and flexible tariffs. Powering small, medium and complex businesses all over Britain. …

  8. Meet Marcellus, the Octopus Star of Remarkably Bright ...

    May 11, 2026 · Is Marcellus inspired by a real-life octopus? Before animation even began, Ritvo spent hours and hours with two real-life octopuses — Brando and Agnetha — at an aquarium in …

  9. Octopuses keep surprising us – here are eight examples how

    An octopus has blue blood and three hearts. But these aren't even the most astonishing things scientists have discovered about these beguiling marine animals. Here are some additional ways octopuses …

  10. Octopuses 101 | Nat Geo Wild - YouTube

    Aug 24, 2017 · How many hearts does an octopus have? How do species like the mimic octopus camouflage themselves? Find out about these and other octopus facts. Subscribe: ...