Curious fact: Scientists already knew that coffin fish—sometimes called sea
toads—have special fins for "walking" on the seafloor. But now, a new study
has revealed another coffinfish adaptation—massive, inflatable gill
chambers that expand the animal's body with seawater, allowing them to take
up more oxygen and hold their breath for up to 5 minutes. This behavior—the
first ever discovered in a fish—could be a way to save energy in a
food-scarce environment and after all, breathing requires some energy!
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Congratulations @saveourseasfoundation for this picture
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