Coffinfish, which live at the bottom of the world's oceans, have been observed holding their breath for as long as four minutes, according to findings published in the Journal of Fish Biology. The coffinfish were seen on video taking in large amounts of water and holding it in their gill chambers for several minutes, with size of their bodies deflating by up to 30% after exhalation.
Coffinfish observed holding their breath for up to 4 minutes
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