Zone

Salinity range (in ‰)

Limnetic

<0.5

β-Oligohaline

0.5 - 3

α-Oligohaline

3 - 5

β-Mesohaline

5 - 10

α-Mesohaline

10 - 18

Polymixohaline

18 - 30

Euhaline

30 - 40

Hyperhaline

>40