Massive Sixgill Sharks Can Exceed 1,300 Pounds in Weight

A predator heavier than a grand piano cruises miles below.

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🤯 Did You Know (click to read)

Sixgill sharks rank among the largest sharks found in deep offshore waters.

Documented sixgill sharks have surpassed 1,300 pounds, placing them among the heaviest predatory sharks alive. This bulk supports energy storage and thermal stability in cold, high-pressure waters.

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💥 Impact (click to read)

Maintaining such mass in a food-limited ecosystem requires efficiency. Large body size enables infrequent but high-reward feeding events on sizable prey.

In an environment where survival depends on rare opportunities, carrying over half a ton of muscle through darkness illustrates how deep-sea gigantism defies expectations of fragility.

Source

Florida Museum of Natural History

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