That's how they breathe, Mammalian fish such as the whale or dolphin need air to breathe just as much as they need water to swim in. When they break the surface and blow out the water they also take in a breath of air before diving back down
Whenever dolphins need to get air they temporarily swim at the surface of the water. Baby Dolphins when born are pulled up to the surface so they don't drown.
Dolphins sleep near the surface. They sleep in the water.
since they have to breathe
They do not release a fountain of water although it may look like that. What they are doing is exhaling. There will be some water in the way that gets blown upwards plus the humidity of their breath in the cold air will cause a puff of water vapor.Whales breath air and must come to the surface to exhale used air and inhale fresh air.
No, they live in the water.
Dolphins must go to the surface, because they breathe air. Dolphins are mammals, not fish.
Dolphins can swim up to 260 miles below the surface.
Yes. Dolphins surface to breathe through their "blowhole" just like a whale.
to get air
Dolphins come up to the surface to breathe.
surface tension
They can't. Dolphins and Whales have lungs, not gills. they have to Surface to Breathe. They hold their breath while diving.