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Tag: ocean

Curiosity Challenge: How Does an Octopus Breathe in Water?

Hi Alexis, awesome question. My name is Brian Helmuth, and I’m a marine biologist at Northeastern University’s Marine Science Center. I study the oceans to see how they are changing, and to find ways of protecting them. I don’t know about you, but my favorite character in Finding Dory is, all 8 arms down, Hank the octopus, who is able to move around outside of his tank and hide just about anywhere. There are real octopus who have escaped from their aquariums to eat fish in another tank next door, and then returned home after putting the lid back on the tank to hide what they have done! But back to your question, like humans, octopus need to breathe oxygen to survive. But, unlike people, an octopus can be in air for only a few minutes. They much prefer to be in the water where they can breathe with their gills…. Read More