Octopuses aren't just intelligent creates – they're shape-shifting, colour-changing animals that we're still learning so much about.
With three hearts, blue blood and a brain in each arm, these cephalods are built for adaptability. We've brought together some magical under-water photography that captures the octopus in all its glory, showing just how weird, wonderful and beautiful they can be.
A longarm octopus flashes its colors at night in Anilao, Philippines. The longarm octopus is a small species, which spends a lot of time on the sandy seabed in shallow areas. Its arms can be up to seven times longer than the rest of its body (credit: Getty Images)Two-spot octopus guarding egg mass on underwater reef at Anacapa Island in California. After mating, female two-spot octopuses typically lay around 70,000 eggs (credit: Getty Images)Veined Octopus or Coconut Octopus (Amphioctopus marginatus) is found in temperate and tropical waters of the Indo-West Pacific. The Veined Octopus can bury itself in sand or mud. They also exhibit a curious behaviour adaption of using discarded clam shells and halves of coconut shells for protection. When two halves fit together, the halves make a perfect refuge, difficult for predators to open. Lembeh Strait, Indonesia (credit: Getty Images)
Atlantic white-spotted octopus (Callistoctopus macropus), Bali. They have a unique hunting technique, in which they use a water jet to flush out prey and wrap their mountain around coral heads to hunt (credit: Getty Images)Common octopus (octopus vulgaris), photographed in the Adriatic sea in Croatia. The common octopus has special glands that produce a venom to capture its prey (credit: Getty Images)A wonderpus octopus at night. This species takes its name from the German "wunder" meaning "marvel", and it's often mistaken with its close relative, the mimic octopus, due to its appearance and behaviour (credit: Getty Images)
An octopus captured in the ocean by a scuba diver (credit: Getty Images)The dazzling colours of an octopus (credit: Getty Images)Underwater view of a blanket octopus (credit: Getty Images)
The mototi octopus, also known as the poison ocellate octopus or Siamese ocellate octopus, is a venomous species with a potent neurotoxin called tetrodotoxin. Anilao, Philippines (credit: Getty Images)An octopus blends in with the kelp on the reefs in the Channel Islands National Park (credit: Getty Images)Octopus with starfish (credit: Getty Images)
Eye to eye with a Caribbean octopus. Photographed freediving at depth of 10m (credit: Getty Images)A Pacific giant octopus crawls over a colorful anemone filled bottom, Inian Islands, Alaska (credit: Getty Images)Octopus (credit: Getty Images)