Only on a cellular level. The cells absorb too much water, swell and burst. Unless you're watching it through a microscope, however... no. They just die
Salt water
Fesh
Fish don't explode in fresh water because there is no reason for them to do so.
Fish don't explode in fresh water because there is no reason for them to do so.
saltwater fish need to breath in saltwater and not fresh water. just like we need to breath in oxygen and not carbon dioxide.
fresh water fish
Saltwater fish don't live in freshwater.
Saltwater fish require salt water, and fresh water fish need fresh water, you can't mix them, or the fish will die. You need to look at each individual fishes needs as to what temp they need their water to be. There are some saltwater fish that can survive in fresh water, but it is not healthy for them.
they drown
Some Can And Some Can't.
Saltwater
No, a brook is a small stream of fresh water. So the brook trout is a fresh water fish, not a salt water fish.