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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