The giant squid has the largest eyes in the world.

The giant squid has the largest eyes in the world.

The eyes of the giant squid (Architeuthis dux) can be up to 25 centimeters (ten inches) across, about the size of a volleyball.

Those large, sensitive eyes are useful in the dark waters where the giant squid lives, 200-700 meters (660-2,300 feet) below the surface of the ocean.

How big does it get?

  • Up to 18 m (59 ft)
  • Up to 900 kg (1,980 lb, nearly 1 ton)

Giant squids are among the world’s most mysterious megafauna (large animals). So far, no live specimen has been captured. They live in deep oceans all around the world, along with at least ten other species of very large squid.

Like other cephalopods such as octopi, giant squids have complex, well-developed brains. They are ferocious predators, but they are also pursued and eaten by large cetaceans such as sperm whales, some of which show the obvious scars of giant squid sucker disks.

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