Are fish thirsty?
fish live in water all their lives, but are they thirsty, or do they drink water? the answer will depend on many factors.
Tags : freshwater fish
After the river flows into the sea, where did the freshwater fish go?
the average salinity in seawater is 35‰ so it is not drinkable without too much treatment and freshwater fish cannot survive in the ocean. so, where did the freshwater fish go or