Ancient Giant Octopus: The Apex Predator of the Late Cretaceous Seas
How the ‘Cretaceous Kraken’ hunted 100 million years ago: Inside the deadly feeding style of the 62-foot giant octopus
The Economic TimesImage: The Economic Times
A recent study reveals that two species of giant octopuses, Nanaimoteuthis haggarti and Nanaimoteuthis jeletzkyi, were apex predators in the Late Cretaceous period, challenging the belief that only vertebrates dominated the marine food chain. These massive creatures, with arms up to 19 meters long, used their powerful beaks to hunt a variety of prey.
- 01Giant octopuses, Nanaimoteuthis haggarti and Nanaimoteuthis jeletzkyi, were apex predators in the Late Cretaceous oceans.
- 02These octopuses could reach lengths of up to 18.6 meters (62 feet), making them some of the largest invertebrates ever discovered.
- 03Their feeding behavior involved using long arms and a strong beak to crush hard-shelled prey.
- 04Uneven wear on their jaws suggests signs of intelligence, similar to modern octopuses.
- 05This discovery challenges previous notions about the marine food chain, highlighting the role of invertebrates.
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A groundbreaking study published in the journal *Science* has unveiled the predatory behavior of two giant octopus species, Nanaimoteuthis haggarti and Nanaimoteuthis jeletzkyi, that lived during the Late Cretaceous period, approximately 100 million years ago. These colossal creatures could grow up to 18.6 meters (62 feet) in length, making them among the largest invertebrates ever found. Unlike modern apex predators such as sharks, these ancient octopuses utilized their long, flexible arms and powerful beaks to hunt and crush hard-shelled prey, including fish and crustaceans. The study's findings were supported by fossilized beaks discovered in Japan and Canada’s Vancouver Island, revealing significant wear that indicates a diet consisting of hard prey rather than soft-bodied animals.
Additionally, the uneven wear on the beaks suggests a level of intelligence and lateralized behavior, similar to that observed in contemporary octopuses. This research not only highlights the formidable nature of these ancient predators but also prompts a reevaluation of the marine food chain during the Cretaceous period, where invertebrates like these octopuses played a crucial role alongside marine reptiles and sharks.
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