Dawkinsia rohani is a species of ray-finned fish in the genus Dawkinsia.Pethiyagoda, R., Meegaskumbura, M. & Maduwage, K. (2012): A synopsis of the South Asian fishes referred to Puntius (Pisces: Cyprinidae). Ichthyological Exploration of Freshwaters, 23 (1): 69–95. It is endemic to the Western Ghats and inhabits the hill streams of Kanyakumari District in Tamil Nadu draining into the Arabian Sea.
Etymology The fish is named in honor of Rohan Pethiyagoda (b. 1955), in recognition of his work on the freshwater fishes of India and Sri Lanka.
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