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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

    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 …

  3. 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...

  4. Octopus Facts, Types, Lifespan, Classification, Habitat, Pictures

    Octopuses have a relatively short lifespan, with certain species living for just six months. On average most of them do not survive for more than one or two years. The Giant Pacific Octopus is said to …

  5. 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, …

  6. There Are 300 Types of Octopus Species, Some With Internal Shells

    Feb 26, 2025 · Octopuses are known their eight legs, squishy bodies and impressive problem-solving skills. But did you know there are over 300 types of octopus species?

  7. Octopus | National Wildlife Federation

    Octopuses live in coastal marine waters and spend much of their time in dens—small holes and crevices in rocks and coral. They are generally solitary and territorial. Moray eels, fish, seals, sperm whales, …

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

    Feb 12, 2025 · Octopuses are famous for their bizarre bodies, quick thinking and mischievous personalities. There are more than 300 species of octopus that scientists know about, and likely …

  9. Exploring the Fascinating World of Octopus Species

    Octopuses are fascinating marine creatures known for their intelligence, adaptability, and unique physical characteristics. As members of the class Cephalopoda, octopuses belong to the order …

  10. Octopus - New World Encyclopedia

    The term octopus may also refer to only those creatures in the genus Octopus. Like all cephalopods, octopuses have bilateral symmetry, a prominent head, and a modification of the mollusk foot into the …