Facts about octopus, Octopuses are ocean creatures that are most famous for having eight arms and bulbous heads. Some other fun facts: They have three hearts and blue blood; they squirt ink to deter predators; and being boneless, they can squeeze into (or out of) tight spaces. They are quite intelligent and have been observed using tools.
Octopus are soft-bodied, eight-limbed molluscs of the order Octopoda. The order consists of some 300 species and is grouped within the class Cephalopoda with squids, cuttlefish, and nautiloids.
Octopus has 9 Brains
Octopuses have 9 brains because, in addition to the central brain, each of 8 arms has a mini-brain that allows it to act independently. Octopuses have blue blood because they have adapted to cold, low oxygen water by using hemocyanin, a copper rich protein.
Octopus as 3 Hearts
Octopuses have blue blood, three hearts and a doughnut-shaped brain
Can an Octopus kill human ?
The tiny blue-ringed octopus, one of the world’s most venomous animals, can kill an adult human in minutes. … These rings are a warning when the animal is threatened. If a predator doesn’t leave, the octopus then attacks by ejecting venom that causes paralysis and, later, death. Despite their small size—12 to 20 cm (5 to 8 in)—and relatively docile nature, they are very dangerous to humans if provoked when handled because their venom contains the powerful neurotoxin tetrodotoxin.
Are they Cute ?
The octopus uses its short, stumpy legs to hover just above the sea floor as it looks for food — worms and small crustaceans. It’s ear-like fins on the top of its head help the adorable creature steer. Bush says what makes it especially cute are its big, sad, puppy dog eyes.
How strong is Octopus
Though octopuses and squid are both formidable fighters in the wild, they aren’t typically dangerous to people. That doesn’t mean they’re always harmless. Some species are particularly well equipped for defending themselves against larger creatures, and they’re strong enough to kill a human if they felt threatened.
Gaint pacific octopus can live for 3- 5 years.
Can Octopus eat you
Although most Octopuses look friendly and cute, and small ones probably are, there are also giant octopuses to consider. Although it is very rare, if you are in the water which they call home, they may attack. This could be because they want to eat you, or simply because they would like a hug.
Octupus are afraid of
Dolphins, sharks, moray and conger eels will all feed on octopuses. But the octopus has a number of clever ways to defend itself from attack. The octopus swims head-first, and in times of danger can expel water through the end of its mantle, propelling it like a jet through the water.
What happens if it touches you
Paralyzing toxins. In most octopuses, this venom contains neurotoxins that cause paralysis. … Octopus bites can cause bleeding and swelling in people, but only the venom of the blue-ringed octopus (Hapalochlaena lunulata) is known to be deadly to humans.
Do Octopus get depressed
Octopuses can sometimes suffer from autophagy, or self-cannibalism. That is what is described as “eating its own arms.” This is caused by stress. … The stressed, infected octopus dies with its arms in tatters.
Female Octopus die after giving birth
Female octopuses die around the time their eggs hatch. … An octopus that produces too few eggs will lose reproductive fitness. She will survive for a time after her eggs hatch but will soon die in any case and she has fewer progeny than she could have had.
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facts about octopus
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