A recent study suggests that giant octopuses, possibly reaching lengths of 60 feet, were apex predators of the seas between 72 million and 100 million years ago. This intriguing finding could shed light on legendary sea creatures like the kraken.
Researchers analyzed 15 fossilized octopus beaks from the Late Cretaceous period. Their work, published in Science, indicates that these massive octopuses might have preyed on formidable marine animals, like sharks and mosasaurs. Yasuhiro Iba, a paleontologist at Hokkaido University, noted that this challenges the prevailing view that vertebrates dominated marine ecosystems at the time.
To estimate the size of these ancient creatures, researchers focused on their beaks, made of chitin— a durable material found in the shells of insects and crustaceans. Today, these beaks can help scientists gauge the octopus’s overall dimensions. Interestingly, AI technology has enabled the discovery of more fossilized octopus jaws, enhancing our understanding of these creatures.
However, not everyone is convinced. Christian Klug, a paleontologist from the University of Zurich, called the 60-foot estimate “quite extreme,” as it relies solely on jaw size. Similarly, Adiel Klompmaker from the University of Alabama Museums expressed skepticism. He questioned if these octopuses were truly the ocean’s largest inhabitants.
Despite these doubts, the damage observed on the fossilized beaks indicates these octopuses likely attacked tough prey, suggesting they were formidable hunters in their time. As Klompmaker pointed out, we still have much to learn about ancient ocean life. There may be undiscovered mysteries lurking in the depths of our oceans.
This study offers a fascinating glimpse into the past, revealing a time when giant octopuses ruled the seas. For a deeper dive into the research, check out National Geographic’s coverage here.
Source link
Hokkaido University, apex predators, paleontologist, National Geographic, octopuses, Late Cretaceous period
