An iguana can stay under water for 28 minutes

An Iguana’s Remarkable Ability: Staying Underwater for 28 Minutes

Did you know that an iguana, despite being a reptile, has the incredible ability to stay submerged underwater for up to 28 minutes? This astonishing fact demonstrates just how remarkable these creatures are, and it’s worth diving deeper into the physiology and adaptations that allow them to accomplish this feat.

Iguanas, native to Central and South America, belong to the family of lizards called Iguanidae. These cold-blooded reptiles have evolved specific adaptations over time that enable them to stay underwater for extended periods while conserving energy and oxygen.

One crucial aspect that aids in an iguana’s ability to remain underwater is their highly efficient respiratory system. Similar to other reptiles, iguanas breathe air using lungs. However, they possess the ability to control their heart rate significantly while submerged, effectively reducing their oxygen consumption in the process. This adaptation allows them to stay underwater for a longer duration without the need to resurface for air frequently.

Additionally, iguanas have the ability to slow down their metabolic rate while underwater. This means that they can conserve energy and oxygen, enabling them to stay submerged even longer. By reducing their activity levels and utilizing their oxygen more efficiently, iguanas can remain hidden underwater, avoiding potential predators or simply waiting for prey to pass by.

Not only do iguanas possess remarkable physiological adaptations, but they also exhibit exceptional swimming capabilities. With their long, muscular tails and powerful limbs, they are well-suited for navigating through water. Their strong tails serve as efficient propellers, propelling them forward with ease. Furthermore, their sharp claws aid in gripping onto surfaces, allowing them to maneuver and explore their aquatic habitats effortlessly.

It is important to note that while iguanas excel in water, they are primarily terrestrial reptiles. They are commonly found basking under the sun on tree branches or rocks to regulate their body temperature. However, when faced with danger or the need to forage for food, iguanas can swiftly retreat into the water, relying on their ability to remain submerged for extended periods to ensure their survival.

In conclusion, iguanas possess an extraordinary ability to stay underwater for up to 28 minutes. Through their highly efficient respiratory system, metabolic rate control, and impressive swimming abilities, these reptiles can navigate and survive in their aquatic environments. Observing the incredible adaptations of iguanas only reinforces the diversity and wonder found in the animal kingdom.

Source: Daily Mail - Iguana, Pinterest - Iguana