because fish have gills and breath in water and we breath air through our lungs
Of course they can all fish have gills which allow them to breath in water.
All fish breath through their gills, there is oxygen in water, as such, they take the oxygen through their gills.
Fish don't breath, they take in water through the gills, take out the oxygen from the water, and dispel the excess water
Piranha's are fish, and fish filter air from the water through their gills.
Fish breath though there gills. Also when they move around in water they get oxygen
All fish breath through their gills, there is oxygen in water, as such, they take the oxygen through their gills.
They aerate the water, providing oxygen to the water for the fish to breath through there gills.
A dolphin is a mammal and not a fish.
Fish suit their environment because they can breath under water by extracting oxygen through their gills.
No. There is water at the bottom of the ocean. There is oxygen in the water that a fish can breath in through it's gills.
No only sharks have to keep moving to force water through their gills.