Anatomy of a Cuttlefish — NOVA | PBS
Anatomy of a Cuttlefish — NOVA | PBS
Apr 3, 2007
pbs.org
Cuttlefish have not one, not two, but three hearts! Two hearts are used to pump blood to the cuttlefish’s large gills, and the third heart is used to circulate oxygenated blood to the rest of the body. Special thanks to : Diveshop: Captain Greggs Divebuddy: underh2ophotography Divelight: Kraken Sports Diveguide Instructor: Anto Steele Location: Secret Bay divesite #padi #paditv #scubadiving #scuba | Yaya Sosyalera | Facebook
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Cuttlefish have not one, not two, but three hearts! Two hearts are used …
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The Cuttlefish. Where do we even start when talking about how cool Cuttlefish are? Aside from being able to change colour, having 3 hearts, and blue-green blood, even their eyes and pupils are unique. As it turns out, their W-shaped pupils stretch more than 180 degrees so they can see what’s in front and behind them at the same time, and this ‘wavy’ shape helps them to control the density of light that enters, allowing them to focus on prey in varying light conditions on the Reef. So, if you do
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The Cuttlefish. Where do we even start when talking about how cool …
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The Cuttlefish. Where do we even start when talking about how cool cuttlefish are? Aside from being able to change colour, having 3 hearts, and blue-green blood, even their eyes and pupils are unique. As it turns out, their W-shaped pupils stretch more than 180 degrees so they can see what’s in front and behind them at the same time, and this ‘wavy’ shape helps them to control the density of light that enters, allowing them to focus on prey in varying light conditions on the Reef. So, if you do
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