
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 | 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 …
Ten Wild Facts About Octopuses: They Have Three Hearts, Big Brains …
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 - Types, Size, Anatomy, Habitat, Diet, Lifespan, & Life Cycle
Oct 31, 2025 · 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 …
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 …
Octopus Facts, Types, Lifespan, Classification, Habitat, Pictures
Learn about the different types of octopuses - where and how long they live, how big they get, their life expectancy, what they eat, interesting facts, pictures, and more.
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, …
Octopus | National Wildlife Federation
Octopuses are found in every ocean of the world and along every coast of the United States. Octopuses live in coastal marine waters and spend much of their time in dens—small holes and crevices in …
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. Octopuses mostly feed on...
Octopuses: Facts about the 8-armed geniuses of the sea
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.