Most crocodiles spent very little time diving and holing their breath. Most stay near the surface where they can have the oxygen necessary to attack prey.The Nile Crocodile has been observed...
19-25 minutes. But they usually come up after about 3-5 minutes i think but you should look it up on google just in case
Typically a seal can stay underwater for 15 minute's
yes it is normal for a turtle to stay underwater very long time especially when they are young it will come out sometime
up to two hours