Giant squid population is one big happy species

Elusive deep ocean dwellers have low genetic diversity despite living around the globe

Giant squid are so mysterious — and so huge — that they inspired the legend of the kraken, a Scandinavian sea monster. Now, a genetic analysis adds to the creatures’ mystique.

Nearly everything scientists know about giant squid comes from studying specimens that have washed up on shore or gotten caught in fishermen’s lines, like the one shown.