fish breath under
water because in water oxygen is mixed.
Fish have gills, that's what helps them breath underwater.
Because they breathe through their gills.
Fish use gills to breathe underwater.
well yes they do 'breathe' underwater with their gills
Yes they breathe through their gills using the oxygen in the water.
they can breathe and survive underwater.
if they breathe underwater... <=< FISH
They can breathe, swim, and live underwater.
I will assume you are not joking. A fish does not hold it's breath it can breathe underwater using its gills.
dolphins are mammals, not fish. They have lungs, not gills, and breathe air.
Their entire lives. They can breathe underwater, so they never have to come up.
whales can breathe underwater that is why they live in water but sometimes they have to come up to breathe like fish