A global society of squid

It's a small squid world, after all. A recent study shows that giant squid from all around the globe have remarkably low levels of genetic diversity — essentially, writes Tina Hesman Saey, they're all more closely related than scientists previously thought. Giant squid, as it turns out, are a single species, traveling, living, and breeding all around the planet.


  1. Presumably the deep-ocean environment is fairly consistent regardless of latitude… that might help. I wonder if any of the climate-change models have anything to say about what might happen down there.

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