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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. 37 Amazing Octopus Facts [2025] | FactRetriever.com

    Nov 30, 2019 · Masters of disguise, astonishingly clever, and adorable in their own right, octopus are amazing. Get up close & personal with our list of fun octopus facts

  3. 50 Interesting Facts About Octopuses - The Fact File

    May 30, 2023 · Facts about Octopuses: over 300 species of octopus roam every ocean on Earth. The lightest adult octopus weighs less than a gram. The largest recorded specimen is roughly 600 pounds.

  4. Octopus: Facts about the 8-armed geniuses of the sea | Live Science

    Feb 12, 2025 · Discover interesting facts about octopuses, an intelligent group of cephalopods with three hearts, eight arms and a reputation for causing mischief in oceans around the world.

  5. 17 Astonishing Facts About Octopuses That Will Blow Your Mind

    Jul 8, 2025 · They vanish into their surroundings like magicians. They open jars, pick locks, and—yes—some even walk on land. You might think you know them, but trust us: you don’t. Here …

  6. Octopus facts | Molluscs | BBC Earth

    Sep 22, 2024 · Octopuses are among the most unique, diverse, and intelligent marine invertebrates on Earth. Inhabiting environments from shallow shores to the dark, crushing depths of the deep sea, …

  7. Octopuses, facts and information | National Geographic

    There are around 300 species of octopus and they are found in every ocean. Most live on the seafloor, but some, like the paper nautilus, drift nearer to the surface.

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

    Nov 20, 2025 · 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 …

  9. 20 Amazing Octopus Facts That Will Blow Your Mind

    Whether you’re curious about how long they live, what they eat, or how they escape predators, this article is packed with fun facts about octopuses that will deepen your appreciation for these marine …

  10. 50 Surprising Octopus Facts You Probably Never Knew - Facts.net

    Jun 25, 2024 · 01 Octopoda is the scientific name of the octopus. 02 There are over 250 species of octopus. 03 They have three hearts. 04 An octopus has 8 limbs. 05 Like most creatures, they also …