Cuttlefish

Names: Cuttlefish

The cuttlefish is related to the octopus and squid.  It is able to change color to match its surroundings.
  • Cuttlefish are not fish.  They are molluscs and are related to octopus, squid and nautilus.
  • Cuttlefish have green blood caused by the haemocyanin pigment that carries oxygen in their blood.
  • Cuttlefish have 3 hearts.
  • The cuttlefish's cuttle bone is used as a calcium supplement for birds.