Anoxic and hypoxic zones, sometimes called dead zones, are bits of the ocean where oxygen is so scarce that fish cannot survive, according to NOAA. If breathing underwater is such hard work ...

"The breathing rate of the fish is important because it provides ... Mouth Opening Frequency of Salmon from Underwater Video ...

“And the best way to become a fish—or a reasonable facsimile thereof—is to don an underwater breathing device called the Aqualung. The Aqualung frees a man to glide, unhurried and ...

An underwater species that was once ... The team used equipment like rebreathers and trimix breathing gases to reach depths of over 410 feet, according to the paper. Researchers encountered the fish ...

Last November, 32-year-old Nicholas Mevoli lay on his back on the ocean surface, gulping air like a fish ... single breath of air. It would end in disaster. How long can someone stay underwater ...

Here they practice the little known sport of underwater ice fishing. They fish completely submerged, breathing through air tanks, covered in thermal wear. Please do not look at what I've written ...

fish need oxygen to survive, so how do they breathe underwater? Oxygen helps release the energy that drives our bodies from sugary chemical glucose in a process called breathing. Breathing ...