What is the name of the fish that has three hearts? | Cuttlefish has three hearts

What is the name of the fish that has three hearts? | Cuttlefish has three hearts

cuttlefishEach creatures living in ocean have a speciality of its own.  Cuttlefish has three hearts.  The blood of this fish is blue in colour.  This belongs to the fish family but is not a fish.  It looks like a skid or an octopus.  These are cephalopods.  Blood of this Cuttlefish is blue because there is large amount of copper in its body.  Of the three hearts it has, two hearts pump blood in to the fins.  The blood which is mixed with Oxygen is supplied to the whole body by the third heart.  This lives under the ocean according to its body formation.   It takes small fishes as food.  Another special quality of this fishes its mastery in camouflage.  It changes its body colours to match its background to hide from the enemies.  If the predator still could detect it ejects a back liquid and disappears.

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