Octopuses have a complex nervous system and excellent sight, and are among the most intelligent and behaviourally diverse invertebrates. Octopuses inhabit various ocean habitats, …

Nov 7, 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 …

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, …

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 …

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 …

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 …

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, …

Sep 19, 2025 · Octopuses and their arms are a bit of a mystery. Not because scientists don’t know how they work; they’re boneless hydrostats, made up of groups of muscles working …

Nov 6, 2025 · Discover the life cycle of the common octopus—from egg to adult hunter—exploring growth, intelligence, and the mystery of their short lives.

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 …