and Vittina coromandeliana
are African freshwater nerites that may be sold under the zebra nerite
monicker, but they have light brown shells with dark brown to black stripes so are quite easily to distinguish from the brackish water nerite Puperita pupa
. Distinguishing them from one another, on the other hand, is tricky because both are exceedingly variable in terms of the regularity of the banding and the proportion of dark bands to light brown ground colour."
I found this while researching nerites for my brackish tank.
Heres the actual site of you care to read more.
Fresh and brackish water Nerites