
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
Apr 10, 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 …
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
Apr 25, 2026 · With around 300 species, octopuses inhabit every ocean on Earth, living in environments that range from shallow coastal waters to the deep seabed. Their size varies considerably with species.
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...
Octopus Animal Facts - Octopoda - A-Z Animals
Mar 28, 2026 · Octopuses are soft-bodied, eight-armed cephalopod mollusks in the order Octopoda, known for advanced nervous systems, flexible bodies, camouflage via chromatophores, and complex …
Octopus facts | Molluscs | BBC Earth
Sep 23, 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: 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 …
Octopus Species | Types, Facts & Amazing Abilities | Ocean Action Hub
Nov 20, 2024 · Discover the diverse world of octopus species. Learn about the 300+ types of octopuses, from the giant Pacific octopus to the tiny blue-ringed octopus.
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, …