An octopus (pl.: octopuses or octopodes[a]) is a soft-bodied, eight-limbed mollusc of the order Octopoda (/ ɒkˈtɒpədə /, ok-TOP-ə-də[3]). The order consists of some 300 species and is grouped within the …

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 …

Mar 13, 2024 · Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains and Blue Blood These bizarre creatures have been around for hundreds of millions of years, and for humans, they’ve …

Apr 25, 2026 · Lifespan The lifespan of octopuses varies with species. For instance, small-to-medium species, such as the common octopus (Octopus vulgaris), 7 live for about 2 years on average, while …

Giant Pacific octopuses live up to their names: They're the largest octopus species in the world! Adults can weigh from 40 to 100 pounds, with a relaxed tip-to-tip dimension of 12–14 feet.

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Mar 22, 2026 · What is the plural of octopus? Is an octopus venomous? Discover the answers to these questions and more with our fun list of mind-blowing octopus facts.

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 …

Octopuses are sea animals famous for their rounded bodies, bulging eyes, and eight long arms. They live in all the world’s oceans but are especially abundant in warm, tropical waters. Octopuses, like …

May 11, 2026 · One of the great joys of Remarkably Bright Creatures — the cinematic adaptation of the beloved 2022 novel by Shelby Van Pelt — is that it pulls off a mystical bit of aquatic enchantment: by …