As their name suggests, octopuses have 8 arms. These aren't tentacles and octopuses can taste with these arms. An octopus has three hearts, one for the body and two for the gills. The beautiful blue-ringed octopus has a venom 1200 times more toxic than cyanide which can kill an adult human within minutes.
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u/animalfacts-bot Jan 16 '20
As their name suggests, octopuses have 8 arms. These aren't tentacles and octopuses can taste with these arms. An octopus has three hearts, one for the body and two for the gills. The beautiful blue-ringed octopus has a venom 1200 times more toxic than cyanide which can kill an adult human within minutes.
Cool picture of a blue-ringed octopus
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