Cephalopod evolution has long had a missing chapter in its story: how did squid-like ancestors give rise to today's octopuses? The answer, it turns out, was floating in the deep sea all along.
With its glowing ghostly eyes, eight arms like its octopus cousins and a dark ruby coloring to match, the elusive vampire squid (Vampyroteuthis infernalis) has finally revealed its genetic secrets.
