Euryhaline organisms are able to adapt to a wide range of salinities. An example of a euryhaline fish is the short-finned molly, Poecilia sphenops, which can live in fresh water, brackish water, or salt water.
Short-finned molly
Round goby
Atlantic stingray
Bat ray
Salinity is the saltiness or amount of salt dissolved in a body of water, called saline water. It is usually measured in g/L or g/kg.
International Association for the Physical Sciences of the Oceans (IAPSO) standard seawater.