🤯 Did You Know (click to read)
Sixgill sharks are among the deepest-ranging sharks ever recorded.
The bluntnose sixgill shark routinely descends beyond 8,000 feet into the deep ocean, a zone where pressure exceeds 240 times that at sea level and temperatures hover near freezing. Unlike most sharks that patrol coastal or surface waters, sixgills inhabit abyssal depths that crush submarines not built for extreme pressure.
💥 Impact (click to read)
At those depths, each square inch of the shark’s body withstands thousands of pounds of force, yet it moves with slow efficiency in total darkness. Its large, light-sensitive eyes and lateral line system allow it to detect faint vibrations from prey in an environment where vision is nearly useless.
This extreme vertical range means the sixgill links surface ecosystems with the deep sea, transporting nutrients between worlds separated by darkness and pressure. Few large vertebrate predators operate across such vertical extremes, making the sixgill one of the ocean’s most boundary-defying hunters.
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