A new MBARI video showcases Japetella diaphana, a rare open-water octopus that switches between transparent and opaque orange to evade predators in the ocean's twilight zone, where a mother carries ...

(CNN) — Giant octopuses measuring up to 62 feet (19 meters) in length were among the top ocean predators around 100 million years ago, according to new research that uncovered rare fossils hidden ...

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