spiracles
Through its gills
It takes in oxygen through air, using lungs. Fish take in oxygen through water, using gills.
The fishes gills are like filters. when water goes in a fish's mouth, it goes through the gills, which filter out the oxygen.
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
Fish have gills which take oxygen from water that passes through.
All fish breath through their gills, there is oxygen in water, as such, they take the oxygen through their gills.
A shark has gills like a fish so that is how it breaths.
A trout intakes the dissolved oxygen in the water through it's gills - just like any other fish.
Mammal take in oxygen in the air while fish take in oxygen in the water.
Oxygen