10 Awesome Facts About Cuttlefish

pharaoh cuttlefish

Pharaoh Cuttlefish (photo by Cherilyn Jose)

1. Cuttlefish are cephalopods, not fish. Cephalopods include octopus, squid and nautilus.

2. Cuttlefish, along with most cephalopods, are the ocean’s most intelligent invertebrates.

3. Cuttlebone, found in the body of a cuttlefish, is used by pet birds to get calcium.

4. Cuttlefish have green-blue blood and 3 hearts!

5. A cuttlefish’s camouflage is so amazing that it can take on a checkerboard pattern placed beneath it.

6. Cuttlefish are color blind.

7. Cuttlefish taste with their suckers.

8. Cuttlefish have 8 arms and 2 long tentacles used for feeding.

9. The largest cuttlefish is the Australian giant cuttlefish, which is the size and shape of an American football.

10. Cuttlefish have W shaped eyelids so they can see in front of them and behind them at the same time.

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