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Like other amniotes (reptiles, birds, and mammals) they breathe air and do not lay eggs underwater, although many species live in or around water. Turtle shells are made mostly of bone; the upper part is the domed carapace, while the underside is the flatter plastron or belly-plate.
Some turtles, especially those specialized in diving, are highly reliant on cloacal respiration during dives. [2] They accomplish this by having a pair of accessory air bladders connected to the cloaca which can absorb oxygen from the water.
Sea turtles are air-breathing reptiles that have lungs, so they regularly surface to breathe. Sea turtles spend a majority of their time underwater, so they must be able to hold their breath for long periods. [57] Dive duration largely depends on activity.
How turtles breathe. Turtle swimming in tank. Turtles, like other reptiles, breathe air, not water. They have lungs, not gills like fish, and so even if they live mostly in the water, they need to ...
Sea turtles must surface to breathe, but not as often as you think. Diving and hunting sea turtles can stay down anywhere from five to forty minutes. While asleep, sea turtles can stay down for ...
Adult female green sea turtles do not breathe as they crutch along their nesting beaches. They hold their breath during terrestrial locomotion and breathe in bouts as they rest. North American box turtles breathe continuously during locomotion, and the ventilation cycle is not coordinated with the limb movements. [92]
In the northern part of their range common snapping turtles do not breathe for more than six months because ice covers their hibernating site. These turtles can get oxygen by pushing their head out of the mud and allowing gas exchange to take place through the membranes of their mouth and throat. This is known as extrapulmonary respiration. [30]
In the United States, around 2.3 million households are home to reptiles, including turtles. Here's what the reptile can and cannot eat.