How DEEP Can Whales Dive? #shorts

#marinebiology #kpassionate #whales
Animals like sea otters, seals, sea lions, and whales have very interesting adaptations for diving to the depths that they need to in the ocean. Learn about those depths and take a look at some of the deepest diving animals on earth in the full video: https://youtu.be/pHVZ1qqMNYU

The deepest diving human was Herbert Nitsch who held his breath for four minutes while diving to a depth of 214 meters. Unfortunately, he suffered from severe decompression sickness afterwards and required extensive rehabilitation just to walk again.

Elephant seals are some of the deepest diving animals on the planet. They mostly feed on benthic fish, like skates and rays, that live on the ocean floor. So these seals will dive up 5,000 feet in search of food! That’s nearly a mile underwater. And they’ll do it by holding their breath for an hour and a half. All pinnipeds, like seals and sea lions, have several unique adaptations that make extreme dives like this possible. They can also slow their heart rate from 100 beats a minute to just 3 or 4 beats per minute during deeper dives. Another is the position of their nostrils… it is closed. Meaning they have to flex to open their noses to take a breath.

Sperm whales and Cuvier's beaked whales are extreme divers. Sperm whales dive to about 3,280 feet where they feed on giant squid and octopus. And Cuvier’s beaked whale is the deepest diver in the sea. They’ve been recorded reaching depths of 3000 meters. That’s almost two full miles underneath the ocean! And they did it by holding their breath for over three hours.

Sources:
[1] https://www.livescience.com/whales-break-diving-record.html

Underwater Titanic Footage:
[1] https://oceanexplorer.noaa.gov/explorations/04titanic/welcome.html
[2] https://www.youtube.com/watch?v=6Z7REEnwKOQ
[3] http://oceanexplorer.noaa.gov/okeanos/explorations/ex1605/welcome.html

Music
Cody Martin - Soundstripe

Additional Imagery
LubaLi - stock.adobe.com
Andrea Izzotti - stock.adobe.com
vchalup - stock.adobe.com

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