(CNN)-- Scientists studying the carcass of what they call the heaviest squid ever found have discovered it has eyes as big as soccer balls -- reportedly the largest in the world. The colossal ...

According to Dr O'Shea colossal squid range as far north as a line between Christchurch and the Chatham Islands in New Zealand.

Squid use a jet propulsion system to power themselves through the water and have three hearts that pump blue blood. Giant and colossal squid have the largest eyes in the animal kingdom.