whales have to come up to the surface for air fish don't
breaching
Whales dive to get food. They come back to the surface to breathe.
Beluga whales, like all whales, have a blowhole leading to their lungs on top of their head ti breathe when they reach the surface of the water. When the beluga whales are in the polar regions, the surface will be covered in ice, and unless the beluga whale finds a hole in the ice to surface and breathe, it will drown and die.
Whales Breathe air, with lungs. They have to Surface to Breathe, and hold their breath while diving
all sea mammals including whales surface to breathe in air before diving
They can't. Dolphins and Whales have lungs, not gills. they have to Surface to Breathe. They hold their breath while diving.
don't surface as much
Killer Whales sleep by floating on the surface.
It doesn't seem to bother them, they still surface to breathe.
Humpback whales breathe air by using their lungs. They can only breathe in when their blowhole is above the surface of the water. When they exhale, you can see a spout of warm moist air shoot upwards from their blowhole.
Fish use gills, but whales and dolphins are mammals. They need to surface to take a breath of air periodically.