If the fish are fresh water fish the kidneys would not work. The fish would die.
Nothing...they die....
salt water
Moray Eels are Marine water fishes So in other words, they are salt water fishes
Freshwater (whitewater) fishes include halibut, salmon, and red snappers.
because the water has salt in it. innit!
Marine fishes drink seawater to maintain their osmotic balance in a hypertonic environment. Unlike freshwater fishes, which absorb water through their skin and gills due to lower external salinity, marine fishes lose water to their saline surroundings and must actively intake water to prevent dehydration. They have specialized kidneys and gills that help excrete excess salt while retaining water, allowing them to thrive in their saline habitat.
Edward C. Migdalski has written: 'Angler's guide to the fresh water sport fishes of North America' -- subject(s): Fishing, Freshwater fishes 'The fresh & salt water fishes of the world' -- subject(s): Fishes 'Angler's guide to the salt water game fishes' -- subject(s): Fishes, Saltwater fishing
In the seas and oceans where the water has a significant salt content. Also in salt water aquariums.
When the kidneys detect an increase in salt in the body, they retain water to dilute the salt until it can be eliminated. This can result in a rise in blood pressure.
I have freshwater fish and i use aquarium salt. I put more in every time i do a water change
Fishes' gills prevent salt from going into the fishes insides. when a fish opens it's mouth all of the water with the salt is pushed out
You get salt water.