New Zealand marine scientists are thawing the corpse of the largest squid to be caught, in an attempt to unlock some of the secrets of one of the ocean’s most mysterious beasts.

New Zealand fishermen may have caught the largest Colossal squid, weighing about 450kg and with rings the size of tires.

Fishermen off New Zealand have made an extremely rare catch: a Colossal Squid with eyes as big as dinner plates and razor-sharp hooks on its tentacles.