they do not get crush because they are very strong and they can breath under water
They do not dive deep enough.
dive in the water
It dive into the to cach fish.
Its the Kingfisher.
First, they stay above the water to get a better aim. Then they dive in at maximum speed. And they get the fish!
It is to help them dive deeper into the water and capture/hunt their prey.
Sea birds dive into the water like an arrow. When it gets in to the water it swimes after the fish and when it gets the fish it will swim back to the surfas.
Float Fish Surf Dive Boat bathe Water Ski
the peregrine falcons dive to pick up lots of speed to catch extremely fast prey, or to catch fish in a large body of water.
Pelicans normally dive in the water when they see fish. Since their mouths are so big, they can catch multiple fish at once.
Unless the flooding and buoyancy was controlled, the submarine would continue to dive into the depths, possibly to be crushed by the great pressure of water.
They dive deep down under a school of fish, then jumps out of the water with its mouth open.