Hippos
Penguins
Whales
Dolphins
Manatee
Marine Iguana
Alligator/Crocodile
Turtles
no but they can hold their breathe for long periods of time
They don't need to. Snakes can hold their breathe for long amounts of time.
Most of them can hold their breath for quite a long time, so they just come up above the water to breathe.
Hippos can't "breath" underwater but they can hold their breath for long periods of time.
They do not breathe under water, they just hold their breath for long periods of time.
They don't. Dolphins and whales breathe air just like we do. They can hold their breath for a long time, but they come up to the surface to breathe.
No, but crocodiles can hold their breath under water for long periods of time if needs be (some large adult crocs have been known to hold their breath for 2 hours or more!)
Fish, and other sea creatures. (Apart from things such as dolphins & whales who can just hold their breath for a long time) Human's can artificially breathe, using air tanks or snorkels.
You can't breathe under water but you can hold your breath for an extremely long time and you can also see under water.
whales an not breath under waterno they can hold their breath under water for long periods of time but come up to the surface for airNo they can't. They take a big breath of air above the surface then they just hold their breath for a long time.
They don't. They can just hold their breath for a long time. And giant tortoises don't even like water that much!
Blue whales are mammals. They breathe air with lungs, pretty much just like you and I. When they dive, they hold their breath.