Barbs are India's native group of ornamental fish, and it has a wide recognition in the global ornamental fish trade (Sarkar & Lakra, 2010).Barbs come under Cyprinidae family, which is the largest freshwater family and widely distributed around the world. Barb's attractive colour and shape, large scales, schooling behaviour, easy to maintain and breed qualities have made them popular in the aquarium trade (Tamaru, 1997). Puntius species are popular at international level because of their striking colours and attractive shape (Collins, 2012).Dawkinsia rohani synonym of Puntius rohani (Devi et al., 2010) is a cyprinid fish native to Kanyakumari District, Tamil Nadu, India. It is an endemic ornamental barb of the Western Ghats and inhabits the hill streams of Kanyakumari District in Tamil Nadu draining into the Arabian Sea (Devi et al., 2010). Dawkinsia rohani has been reported to be under several potential threats like urban development, tourism, invasive species, agricultural pollution and excessive harvesting (Dahanukar, 2015). The Rohan's Barb is listed under 'vulnerable' on
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