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🤯 Did You Know (click to read)
Seawater remains liquid below 0 degrees Celsius due to dissolved salts lowering its freezing point.
Pacific sleeper sharks routinely inhabit waters hovering around 0 degrees Celsius, temperatures that dramatically slow biological processes and incapacitate many marine species.
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💥 Impact (click to read)
Despite lacking warm-blooded adaptations like some lamnid sharks, this species maintains cellular function in near-freezing seas, enabling a bus-length predator to patrol Arctic shelves and deep basins.
Its cold resilience expands the geographic footprint of large sharks into polar ecosystems, demonstrating that extreme body size does not require tropical warmth when biochemical adaptations compensate.
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