But these intelligent invertebrates can scoot along at speeds up to 25 miles per hour. Unlike the other streamlined ocean animals on this list, octopuses don’t scream “speedy” at first glance. There are at least 3 other species of octopus found in Alaskan waters but the giant Pacific octopus is the most frequently encountered. Octopuses are serious cannibals, so a biologically programmed death spiral may be a way to keep mothers from eating their young. Octopus are in the mollusk phylum (snails, clams, chitons) and more specifically are members of the class Cephalopoda which includes squid, cuttlefish and nautilus. A fish has a backbone and a skeleton - it is a vertebrate. … To put it in simpler terms, this why an octopus has no bones - no skeleton - it is an invertebrate. To be more specific, an octopus belongs to a unique class of mollusks known as cephalopods. Yes, a mollusk - like your common garden snail. The giant Pacific octopus may between three to five years in the wild. Giant Pacific octopus: 3 – 5 years How long do Pacific octopus live?ģ – 5 years How long do octopus live if they don’t mate?Ĭommon octopuses, for example, may live only two years, while giant octopuses can live as long as three years but up to five years as long as they don’t mate. They are among the most highly evolved invertebrates and are considered by many biologists to be the most intelligent.
Some species cuddle with one another, while others have been known to bond with humans. Octopuses are playful, resourceful, and inquisitive. The findings suggest that, despite the huge evolutionary gulf that separates us, humans and octopuses appear to have similar brain chemistry guiding their social behaviors. They also tended to hug and put their mouthparts on the cage in an exploratory, nonaggressive way-similar to their mating season behavior. See also what does the impact of natural hazards depend on Can an octopus hug?
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