These insect submariners survive depths that should crush them

ScienceDaily
Jul 27, 2026, 9:37 am84 ptsTrending
Lake fly larvae plunge more than 200 meters into Lake Malawi each day to hide from predators, using tiny air sacs to control their depth. A rubber-like material called resilin lets them expand or shrink the sacs by changing their pH. Their toughness challenges a popular explanation for why insects are absent…

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