Cuttlefish

15 Cool Cuttlefish Facts

1. Cuttlefish can hypnotize crabs with a black and white formation on their skin.   
2. Cuttlefish have blue-green blood.
3. Cuttlefish are smart like octopuses.
4. Cuttlefish are related to clams, octopus and sea slugs.   
5. They live deep in the ocean.
6. Cuttlefish can instantly change their color to blend into their surroundings.
7. Male cuttlefish disguise themselves as females to get past competing males to mate with a female.
8. Cuttlefish do not have ink.
9. They have three hearts like an octopus, two hearts to pump blood to their gills and a third heart to circulate oxygenated blood through their body.
10. Cuttlefish do not have back bones.
11. Cuttlefish can grow their body to impress a mate.
12. Cuttlefish's favorite food is crab.
13. Cuttlefish fight to mate.
14. Cuttlefish are color blind.
15. A male cuttlefish is smaller then a female cuttlefish.