Popular Science

OTHER OCEAN BEHEMOTHS

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Megalodon was a massive fish, but it wasn’t the biggest predator ever seen in the seas. We’ve adjusted our estimates of the shark’s size over the years, but most experts now suspect it stretched about 50 feet long. Here’s how it stacks up against some modern ocean meat eaters.

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Found in every ocean on the planet, this mollusk is the world’s largest known invertebra­te. Sperm whale, 62 feet
The biggest of the toothed whales can dive more than 7,000 feet in search of giant squid to eat. Elephant seal, 20 feet
Pups are favorite prey of the great white, but fully grown seals are likely more similar to the critters Meg ate. Human ( for scale), approx. 6 feet
Given that diving tech dates back only to the 19th century, we’re still relative newcomers to the underwater world. O. megalodon, 50 feet
The largest predatory fish of all time, Meg was a relative of today’s mako and great white sharks. Great white, 20 feet
This Jaws star has taken the place of its distant cousin, the Meg, as the ocean’s biggest bloodthirs­ty fish.
Giant squid, 43 feet Found in every ocean on the planet, this mollusk is the world’s largest known invertebra­te. Sperm whale, 62 feet The biggest of the toothed whales can dive more than 7,000 feet in search of giant squid to eat. Elephant seal, 20 feet Pups are favorite prey of the great white, but fully grown seals are likely more similar to the critters Meg ate. Human ( for scale), approx. 6 feet Given that diving tech dates back only to the 19th century, we’re still relative newcomers to the underwater world. O. megalodon, 50 feet The largest predatory fish of all time, Meg was a relative of today’s mako and great white sharks. Great white, 20 feet This Jaws star has taken the place of its distant cousin, the Meg, as the ocean’s biggest bloodthirs­ty fish.

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