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Hold the scuba: These lizards can breathe underwater

Hold the scuba: These lizards can breathe underwater by Mongabay.com on 28 May 2021 Researchers recently discovered that several species of semi-aquatic anole lizards can breathe underwater or rebreathe for up to 18 minutes. They observed that anoles have hydrophobic skin that allows a thin layer of air to form around their bodies when they dive underwater, which they believe aids their rebreathing process. When the anoles exhale underwater, a bubble of air forms over their snout and then goes back into their nostrils when they inhale. The researchers believe that anoles evolved to rebreathe underwater to avoid predators, although more research is needed to confirm this.

Amazing! Biologists Discover How Lizards Can Breathe Underwater

In an ecosystem where predation maintains balance and biodiversity in nature, organisms seem to develop evolving mechanisms to survive. One of them are the air-breathing anoles. Biologists from Queen's University discovered a unique way of how some terrestrial animals develop an underwater respiration system to escape from predators.

Scuba-diving lizards use bubble attached to snout to breathe underwater

 E-Mail Credit: Lindsey Swierk Semi-aquatic anoles live along neotropical streams and frequently dive for refuge, remaining underwater for up to 16 minutes. Lindsey Swierk, assistant research professor of biological sciences at Binghamton University, documented this behavior in a Costa Rican anole species in 2019. She had been shocked to see an anole submerge itself for such long periods and used a GoPro underwater to document the behavior. 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! says Swierk. But the real question is how they re managing to stay underwater for so long.

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