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.

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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 ...

Washington State University. Dr. Universe: How do animals breathe underwater?– Kinsley, 9, North Carolina. Dear Kinsley, Have you ever seen a diving beetle? They’re one of my favorite animals.

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.

How it works — It sounds stranger than fiction: Scientists helped pigs and rodents breathe through their gut by inserting oxygen into animal’s butts via an enema.

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 ...

Even though most animals and plants don’t breathe in and out the way people do, they all have ways of getting enough oxygen. Learning how organisms solve the same problem in different ways is ...