Every time it needs a breathe.
A dolphin is actually a mammal, not a fish so dolphins have to come to the surface for air.
A spinner dolphin can do up to fourteen spins per jump!
no dolphins are not amphibious because that means they live on land as well as in the water like a newt. a dolphin breaths air like people do but they have to come up every so often.
Silly rabbit dolphins don't have fins. They get their oxygen from the air they breathe like you or me.
A dolphin breathes through its blowhole. When it goes under water it holds its breath when comes out it lets air out and brings air in
Shark are fish and breath water Dolphin are mammals and breath air.
It doesn't. Dophins - just as whales - come to the surface to breathe air. Then they can stay underwater for 8 to 10 minutes before they have to come up for air again. For breathing they have a blowhole on the top of their skull.
They don't. They come up to the surface to take in air then they hold their breath.
There are many differences between the shark and the dolphin. Sharks are cartilaginous fish whereas the dolphin is a mammal. Sharks take air in through their gills while dolphins breathe fresh air using their lungs.
the air hole on top of their head
dolphin
they both bread air