This article does not cite any sources. Please help by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: – ···scholar·JSTOR(January 2022) (Learn how and when to remove this template message)
Polyhaline is a salinity category term applied to brackishestuaries and other water bodies with a salinity between 18 and 30 parts per thousand. It is the most dense saltwater type that is classified as "brackish."