Discover strange facts about octopuses: giant Pacific, common, blue-ringed, dumbo, and mimic octopuses, the eight-armed cephalopods with three hearts, blue
Octopuses have three hearts, nine brains, and blue copper-based blood. Expert guide to the most alien biology on Earth and why octopus intelligence works the way it does.
Discover why octopuses are considered the closest thing to alien intelligence on Earth. Expert-written guide covering their three hearts, blue blood, distributed nervous system, instant camouflage, problem solving, and the science behind cephalopod cognition.
Everything about the giant Pacific octopus: size, habitat, diet, intelligence, reproduction, conservation, and the strange facts that make Enteroctopus dofleini the largest octopus species on Earth.
Everything about the mimic octopus: habitat, diet, behaviour, context-dependent mimicry, reproduction, conservation, and the strange facts that make Thaumoctopus mimicus the only animal known to impersonate more than a dozen species.
Everything about the blue-ringed octopus: size, habitat, tetrodotoxin venom, iridescent warning pulse, reproduction, conservation, and the strange facts that make Hapalochlaena lunulata one of the most venomous marine animals on Earth.
Everything about the common octopus: size, habitat, diet, intelligence, reproduction, conservation, and the strange facts that make Octopus vulgaris the most-studied cephalopod on Earth and a species complex of cryptic relatives.
