Mudskippers may be fish, but they spend 90% of their time out of the water, walking through mud and climbing trees.

While fish and many other aquatic animals take air directly from the water through gills, other animals find ingenious ways to drag air bubbles down from the surface or trap air around their bodies.

By closing their gills and mouths—holding their breath—the animals could limit their exposure to cold water. Some species, like bluefin tuna and mako sharks, have specialized anatomy that ...

This animal doesn’t breathe, and it’s a first for science. By Mike Wehner. Published Feb 25th, 2020 10:12PM EST. Image: Stephen Douglas Atkinson.

Mammals that can breathe through their backsides, homing pigeons that can guide missiles and sober worms that outpace drunk ones: these are some of the strange scientific discoveries that won this ...

Mammals that can breathe through their backsides, homing pigeons that can guide missiles and sober worms that outpace drunk ones: these are some of the strange scientific discoveries that won this ...

Secondly, for animals to hold their breath, they need lungs, said John Spicer, a marine zoologist at the University of Plymouth in the U.K. "Holding breath only applies to animals with lungs and ...