Big squid: All one family

Genes show all giant squid belong to one, worldwide species

By Stephen Ornes, 11:29 AM March 28, 2013

A giant squid is unloaded by fishermen at a wharf in Melbourne, Australia. Credit: David Paul/University of Melbourne

Resembling huge, squishy darts with tentacles, giant squid live in the darkest depths of the ocean. People seldom see these mysterious creatures. But scientists just got to know the animals much better. In a study published in March, researchers clear up a long-standing mystery about how closely these animals are related. They find the colossal creatures belong to a single global species.

A species is a group of organisms that are similar enough to breed with each other. Until now, scient...

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