Seawater and fresh water contains oxygen that fish absorb using their gill. So the substance is oxygen.
Shallow seawater.
No, the fishes breathe through their gills.
Gills
The fishes have gills for breathing
100times
Yes, sharks breathe through their gills, like most fishes do.
Fishes breathe through gills. As a cichlidae fish, the tilapia is no exception.Tilapia breathes through gills.
beecause they wouldnt be able to breathe. Plus they have gills to breathe underwater,
Fishes' gills prevent salt from going into the fishes insides. when a fish opens it's mouth all of the water with the salt is pushed out
The plants can take the light and photosynthesis for the fishes to breathe in instead of only giving the fishes the oxygen during morning and taking in oxygen also.
No, they filter the dissolved oxygen through their gills.
Because the smaller you are the faster you breath