Turtles have to go to the surface of water to breathe so if they get caught in underwater fishing nets they will drown.
pet turtles can sleep as much as they want in water if they loose oxygen they will lift their heads and get oxygen
2 hours
They do not breathe under water, they just hold their breath for long periods of time.
Turtles can stay under water from one hour to five hours depending on the species, water temperature ect.
iguanas stay a periods of time?
most of them
turtles do not breathe under water,they have to keep going up so that they can breath. But once turtles get all the oxygen they need, they can hold it for a long time under water but i don't know why.But when they need to breath they continue to go up and the cycle continues
It is beacouse of their blowholes
Most species of turtles can survive out of water for a long time, as long as the environment is humid and out of direct sun. It is not a good idea for turtles to be completely removed from water, though.
magic
The Whirligig beetle breathes through gills under the water. They live in the water for long periods of time.
Answer=========================================================Most aquatic turtles can pull oxygen out of the water, greatly increasing the amount of time they can stay under water. Big sea turtles can stay under for up to 2 hours, even sleeping while submerged.