because they are fish
They can stay under water for 10 seconds.
you can not make air stay under water!
Crocodiles close there valve to stay under water.
how long can garter snakes stay under water?
Yes the U-Boat can stay under water.
Emperor Penguins can stay under water for about up to 20 minutes!
Crawfish can stay under water for 1-2 miutes at a time.Also, so can the Crayfish.
I think a whale can stay under water for a longer period of time
Salmon stay underwater all the time because salmon is a kind of fish which has gills for breathing while dolphin is a mammal.
No because they have a blow hole like a whale so they have to come up for air.
a few of the sea animals cannot stay under water for a long time.
a house fly can stay under water for a lot hours if the water is warm if the water is hot they may survire about one hour