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Diving Anole Lizards Rebreath Exhaled Air

Dragon
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Diving Anole Lizards Rebreath Exhaled Air Empty Diving Anole Lizards Rebreath Exhaled Air

Post by Dragon Sat May 29, 2021 5:06 am

Inspired by natural history observations in Haiti and Costa Rica, a team of biologists from the University of Toronto and elsewhere conducted experiments documenting routine air-based underwater respiration in several distantly related semi-aquatic lizard species of the genus Anolis.

“It’s easy to imagine the advantage that these small, slow anoles gain by hiding from their predators underwater — they’re really hard to spot,” said co-author Dr. Lindsey Swierk, a researcher in the Department of Biological Sciences at Binghamton University.

“But the real question is how they’re managing to stay underwater for so long.”

In the study, Dr. Swierk and colleagues conducted experiments documenting routine air-based underwater respiration in several anole species.

They found that these lizards can respire underwater by rebreathing exhaled air that is trapped between their skin and surrounding water.


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Diving Anole Lizards Rebreath Exhaled Air 334pu7m
Dragon
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Post by Dragon Sat May 29, 2021 5:08 am

Diving Anole Lizards Rebreath Exhaled Air Image_9693-Diving-Anole
Image credit: Lindsey Swierk.

Semi-aquatic anoles live along Neotropical streams and frequently dive for refuge, remaining underwater for up to 16 minutes.


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Diving Anole Lizards Rebreath Exhaled Air 334pu7m
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Post by Dragon Sat May 29, 2021 5:09 am



This Costa Rican Lizard Can Mimic a Deep Sea Diver


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Diving Anole Lizards Rebreath Exhaled Air 334pu7m
Dragon
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Post by Dragon Sat May 29, 2021 5:10 am



The water anole, a small Central American lizard, may use a "scuba tank" bubble of air to respire when underwater.

We're conducting research to determine if and how this pocket of air helps the anole to stay underwater - and away from potential predators - for extended lengths of time.


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