They live in water up to 200 metres deep but come to shallow waters to breed in spring. Their eggs are dyed black with cuttlefish ink, which gives them the appearance of grapes – giving them their name ‘sea grapes’. Cuttlefish usually live for two years and die after they have bred.

Can you keep a cuttlefish as a pet?

Cuttlefish Husbandry. Considered the ultimate invertebrates by their fans, the otherworldly cuttlefish make great pets for those willing to meet their very specific needs.

Why do cuttlefish have 3 hearts?

The blood of the cuttlefish is blue because of the huge amount of copper in it. While it uses two of its hearts to pump blood into the gills (the lung of the fish) where it absorbs oxygen, the third heart pumps blood into the other organs.