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Most salt water fish will die if placed in fresh water.
it will die
because there is a difference in salinity which means less salt there is alot less in fresh water
beacuse it needs salt.
die..and its body will float on the surface
They die because they can not live in saltwater, due to the salt.
Explain what would happen if a piece of seaweed from the ocean was placed in a fresh water aquarium?
If you wish a fresh water fish to be kept alive and well so that it may be studied or kept as a pet. The fish will need to be placed in a suitable container with suitable water that has suitable parameters. Without water a fish will die just like you would die if your air supply was removed. If the fish was a fresh water fish and the water was salt as opposed to fresh, to the fish, it would be similar to what would happen to you if someone put poisoned gas in your personal air supply. You would be extremely ill and then die. So would the fish.
It will lose its water to the salty water by osmosis, the amoeba will crenate and die due to excessive loss of water.
they would be in a hypertonic solution, so they would shrivel and die
There are certain types of perch that live in salt water, so in that case nothing would happen. However, if a fresh water perch was placed in salt water it would die. There are very few fish that can go between salt water and fresh water and perch is not one of them.
the marine fish would pretty much suffocate and die. so putting marine fish in fresh water is not a good idea.