The octopus inhabits all oceans in depths that vary from 3 miles to more shallow waters along shorelines. They prefer to live in protected areas along the ocean floor such as coral reefs and rocky crevices.Know More
There are about 300 species of octopus. The common octopus and briar octopus live along the Atlantic Coast, while the giant octopus and orange bigeye varieties reside along the Pacific Coast. In addition to living in protected areas, the octopus is equipped with strategies to increase its safety, including speed and the ability to expel ink into the water to confuse its aggressor. They also have autotomizing limbs that break off to allow the animal to escape.
Some octopuses are able to display color changes to blend into the background due to specialized skin cells. While some displays are used in communication with other octopuses, they are also used to appear like the surrounding rock, seaweed or other features. Deimatic displays, which are sudden colorful displays such as the appearance of giant eyes or brightly colored rings, frighten enemies away or give the octopus time to escape.
Although shy animals, octopus saliva contains poison that is normally used to catch prey but can also inflict a mortal wound on an enemy. The blue-ringed octopus is quite small but considered the most deadly. Its saliva contains venom capable of killing a human.Learn more about Octopi
Some enemies of the octopus include eels, sharks, halibut, ling cod and dolphins. The octopus uses camouflage to protect itself from predators, which allows it to hide in plain sight. It also releases a cloud of black smoke to cover its escape if it is attacked by an enemy.Full Answer >
Sharks, killer whales and tuna are the main eaters of the dumbo octopus. Since it spends much of its life at depths ranging from 1,300 feet to more than 20,000 feet, the octopus does not have many predators.Full Answer >
Upon hatching, a baby octopus is referred to as "larva." After making their way to the ocean's surface, the larvae remain there for one to three months. They are defenseless at this point, and many become food for predators.Full Answer >
The octopus belongs to the phylum Mollusca in the Animalia kingdom. The phylum contains a large number of aquatic life forms in addition to the octopus, such as squid, mussels and oysters.Full Answer >