the cells fill with water
The cells gain water.
The cells fill with water.
Salt controls water absorption so the cells would gain water.
The cells gain water.
Because saltwater fish can only breathe in saltwater (as in the ocean) and freshwater fish can only breathe in freshwater (as in tap water.)
There are freshwater drum, and saltwater drum species.
saltwater
They are freshwater fish.
A saltwater fish tank can be half freshwater and all of the saltwater fish will live but not for very long.
saltwater
Yes, as a fish moves ,from saltwater to freshwater, the concentrations of salt ions drops as freshwater enters the body via osmotic pressure.
They are freshwater fish.