Endemic in Kerala (Ref. 87807). Known from southern western Ghats (Ref. 43641) in Kerala (Ref. 43640). Found in Orukomban, tributary of Chalakudy river; Ayyappankovil, Periyar river; and Mookkampally tributary of Pamba river (Ref. 31807). Also Ref. 79567, 87807.