Quote:
Originally Posted by Leingod
TIL: If a shark stands still to long in water, it suffocates since water doesn't actively cycle through its gills. The shark has to move to push water through them. So basically, push-start a shark if it's suffocating.
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Actually, some sharks lie in ambush at the bottom of the ocean for long periods of time. These sharks have spiracles, which pump water over the gills while they are still
