Don’t hold your breath: Carp can manage without oxygen for months

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Electron microscope image showing gills before and after exposure to anoxic conditions (Supplied by G. Nilsson)
Electron microscope image showing gills before and after exposure to anoxic conditions (Supplied by G. Nilsson)
How long can you hold your breath? Scientists at the University of Oslo have recently discovered how the Crucian Carp, a close relative of the goldfish, is able to live for months without oxygen. The researchers hope that understanding how some animals cope with a lack of oxygen might give clues as to how to solve this problem in humans.


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