Скачать или смотреть Fast Ocean Facts — How do Cuttlefish and Nautilus Float?

Much like their molluscan cousins, most cephalopods have shells—some are very obvious, like a nautilus’s shell, while others are much subtler, like the pen of a squid and the cuttlebone of a cuttlefish. So how do cuttlefish and nautilus float how do they control their buoyancy?

Cuttlebones and nautilus shells are divided into chambers, so they can change the amount of gas and liquid in their shells to change their buoyancy. This allows them to move up and down in the water column easily!

These videos are bite-size fun facts about the ocean from your friends at the Monterey Bay Aquarium! You may also see these as pre-roll ads around YouTube, but we wanted to share with you all in case they're useful!

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