The world's largest invertebrate remained hidden from humanity until a tantalising glimpse 100 years ago. But it would be ...

Giant squid have a parrot-like beak between their eight arms and two ... and have three hearts that pump blue blood. Giant and colossal squid have the largest eyes in the animal kingdom.

And here I am dealing with something that's got these swivelling hooks on the arms and a beak… considerably larger and considerably more robust." Colossal squid are thought to grow to more than ...