Octopuses have three hearts. As active predators they need to explore, understand and remember their environment and the behaviour of other animals. Predators such as sharks, eels, and dolphins swim by without even noticing it. Although many believe the correct plural form of octopus is octopi, it’s actually octopuses. During this period, the female octopus guards the eggs and cleans them with her suckers. The central brain controls the octopus’s nervous system. It is a dwarf octopus native to the Caribbean Sea region of the Atlantic Ocean. If all else fails, an octopus can lose an arm to escape a predator’s grasp and re-grow it later with no permanent damage. Octopus have no bones in their bodies and are amazing escape artists. Actually, they get the name from their beautiful blue-ringed markings all over the body. Even the largest species of octopus are able to pass through openings as small as 1 inch in diameter. Life around hydrothermal vents, or mini-volcanoes on the ocean floor, is actually independent of the sun, because the food … The species ranges along the Pacific’s “ring of fire”, stretching from the Gulf of California, into Alaska, and down past Japan and into China’s coastline. Octopuses have fairly short lifespans, with some species only living for an average of six months. They have eight contractile arms, and each one contains two rows of fleshy suckers. When the octopus feels threatened, it displays them in their entirety making it look much larger than it actually is. Therefore, it is erroneous to refer to octopuses as fish. In its natural habitat, it prefers to stay in a cave during the day. The typical octopus has a saccular body, which means that their head is only slightly defined from their body. Octopus are in the mollusk phylum (snails, clams, chitons) and more specifically are members of the class Cephalopoda which includes squid, cuttlefish and nautilus. Fast swimmers, they can jet forward by expelling water through their mantles. In fact, recent studies have suggested that populations may be booming. Dumbo octopus: Scientific Name: Grimpoteuthis: Description: The dumbo octopus, Grimpoteuthis swims slowly above the seafloor, descending to the bottom to feed. Good candidates can’t be frequent, loud barkers that drive the neighbors mad. Although octopuses live underwater and even have gills like fish, they are not fish at all. Octopus, in general, any eight-armed cephalopod mollusk of the order Octopoda. They aren’t migratory, so they spend their whole lives in the same general area.Octopuses also have an excellent sense of touch. This species was and still is eaten. If you continue to use this website without changing your cookie settings or you click "Accept" below then you are consenting to this. Copulation • Depending on the species of Octopus, mating can occur from a couple of months of age or when they are several years old. They use their chromatophores (pigmented skin cells) to create different patterns for camouflage, stalking prey, courting mates and fighting rivals. Let’s […] Read More. In particular, they mostly feed on crabs and other crustaceans. However, some are social and may live in groups of up to 40 other individuals. Tetrodotoxin is 1,000 times more powerful than cyanide and is therefore highly lethal to most creatures. These small brains are clusters of nerve cells that allow each arm to work independently of each other. Except it’s so much more than that. The wunderpus has long arms — five to seven times the length of its mantle —that are especially useful for hunting. Plus, they must be comfortable in smaller spaces and able to saunter through crowded city streets on a leash — or in a bag — without freaking out. Average life span in the wild: 1 to 2 years. The veined octopus, Amphioctopus marginatus, was observed in 2009 excavating coconut half shells from the ocean floor and using them as part of its den. 380. There are also small “brains” in each arm, bringing the total up to nine. What is the scientific name for the vent octopus? The true octopuses are members of the genus Octopus, a large group of widely distributed shallow-water cephalopods. All octopuses are venomous, but only the small blue-ringed octopuses are known to be deadly to humans. The deepest living genus of octopus is known as the dumbo octopus. The Dumbo octopus is known as the cutest octopus in the world because of its pudgy shape and fins that look like gigantic ears. Although it is very small, it lives roughly 13,100 feet below the surface of the water. Pacific octopus is octopus vulgaris is the most fascinating species of them are midgets creating the illusion they! 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