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The density and pressure of saltwater is different from freshwater as is much of the bacterias and parasites. The acidity of the water is also of concern as the lower the PH the higher the acidity of the water. Saltwater being of a higher PH would not handle the lower PH of freshwater very well. Also if moving a freshwater fish to saltwater that fish will lose a great amount of water in it's body causing death and if the saltwater fish is moved to freshwater it will gain great amounts of water causing death.
saltwater
freshwater and saltwater- they can live in both habitats. it really doesnt matter what kind of water they are in to them. saltwater
no, because if you put saltwater and freshwater in the freezer saltwater will not freeze completely ,because it has salt in it and it will not freeze at the same rate as freshwater that is my answer to this question.
saltwater has salt in it, freshwater does not.
Most are natural freshwater, but some may be saltwater.
"Freshwater" doesn't necessarily mean "clean" water - it just means water that does not have a concentration of salt like sea water does. A stream can be muddy and still be freshwater. Or a river can be muddy and be freshwater, or saltwater, or a combination of both.
Redfish are fresh water
The boiling point of freshwater is lower than the boiling point of saltwater.
Because saltwater fish can only breathe in saltwater (as in the ocean) and freshwater fish can only breathe in freshwater (as in tap water.)
Ocean water has more chemicals in solution than 'freshwater.' The highest concentration being salts in ocean water, hence, saltwater but there are many other chemicals and elements dissolved in sea water, including gold!
About 97% of the earth's water is saltwater, the the remaining 3% is freshwater.