Seal lice can survive the pressure found 4000 metres under the sea - New Scientist

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By Richard Sima

The lice that live on elephant seals can survive the pressures of the deep sea

Paul Souders / Getty Images

Seal lice – blood-sucking marine insects that live on seals, sea lions and walruses – can survive the crush of the deep ocean, withstanding the equivalent of pressures found 2000 meters deep for several minutes.

Seal lice (Lepidophthirus macrorhini) live out their entire lifecycle on their marine hosts, and previous research has shown that these insects survive being submerged in seawater for days by entering an immobile, low metabolism state to withstand the frigid cold, high salinity, and lack of oxygen.

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Seal lice can survive the pressure found 4000 metres under the sea - New Scientist
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