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, …
Octopus - Types, Size, Anatomy, Habitat, Diet, Lifespan ...
Apr 25, 2026 · Octopuses are exclusively marine mollusks that constitute the order Octopoda within Cephalopoda, a class that also includes squids, cuttlefish, and nautiloids. They are easily recognized …
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 …
Octopus | Description, Behavior, Species, & Facts | Britannica
Jul 6, 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 …
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...
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.
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 …