What happens to freshwater fish in a salt water tank?
The biological makeup of a freshwater fish is what predisposes it to thrive solely in fresh water. When placed in a salt water tank, a freshwater fish will typically die; however, there are a few exceptions. Some freshwater fish species can actually tolerate and thrive in salt water.OriginsDr. William Wurts, PhD, from Kentucky State University, says that all fish species originated in the earth’s salty, mineral-laden oceans. Through long-term physical changes some fish were only able to survive in environments with little or no salt present. These are the freshwater fish of today.AdaptationAccording to “The Sextant”, a publication of Marietta College, a freshwater fish’s kidneys produce very dilute urine (low in salt) in large quantities, which preserves its essential chemical balance and enables the fish to live in water with low salinity.Health BenefitsIf your freshwater fish gets ill due to parasite infestation, you can treat the fish by briefly placing it into a salt water tank. Ac
