''Caridina simoni'' is a freshwater shrimp found widespread in

Sri Lanka Sri Lanka (, ; si, ශ්‍රී ලංකා, Śrī Laṅkā, translit-std=ISO (); ta, இலங்கை, Ilaṅkai, translit-std=ISO ()), formerly known as Ceylon and officially the Democratic Socialist Republic of Sri Lanka, is an ...

and Tamil Nadu, India. The Indian population was originally described as ''Caridina kunnathurensis'' by Richard & Chandran in 1994, but was later identified to be the same species. It is found in a diversity of habitats, including both rivers and lakes.

References

Atyidae Freshwater crustaceans of Asia Crustaceans described in 1904 {{Caridea-stub