Google. 500_Blue-ringed-octopus. Octopus. The octopus inhabits many diverse regions of the ocean, including coral reefs, pelagic waters, and the ocean floor. They have numerous strategies for defending themselves against predators, including the expulsion of ink, the use of camouflage and deimatic displays, their ability to jet quickly through the water, and their ability to hide. An octopus trails its eight arms behind it as it swims. All octopuses are venomous, but only one group, the blue-ringed octopus, is known to be deadly to humans.[4] Biology Schematic lateral aspect of octopod features Octopuses have a relatively short life expectancy, and some species live for as little as six months.
Octopuses have three hearts. Intelligence Octopuses are highly intelligent, possibly more so than any other order of invertebrates. An octopus has a highly complex nervous system, only part of which is localized in its brain. Tool use The octopus has been shown to use tools. Defense Reproduction Senses Locomotion Diet Size. Octopus swims off with camera while it's still recording // Current.
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