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🤯 Did You Know (click to read)
Their thick dermal denticles provide partial protection against injury despite their slow swimming speed.
Photographic surveys reveal many Greenland sharks carry extensive scars likely caused by mating bites, parasite attachment, and deep sea interactions over lifespans spanning centuries.
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💥 Impact (click to read)
Each scar may represent events separated by decades or even centuries, effectively turning their skin into a biological archive of long-term Arctic ecological history.
Few predators accumulate such physical evidence across multi-century lives, making them living records of environmental change beneath polar ice.
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