Nerite snails (some freshwater, and some blackish)

Nerite snail.. most of it are very colorful and in variety shape. And a very popular to planted tank, but to the small size, color and not able to breed in freshwater.

Most nerite snail are blackish. Mean, they were able to able to stay in both freshwater and blackish water, but they only breed in blackish water. Blackish water, its the conditions of the water, which are between saltwater and freshwater. Nerite will lay their egg in freshwater, then need blackish water for the egg to hatch, and when through a stage in order for it to grow big enough to transfer back to freshwater.

Here are some of it.