Ka kitea te D. russelii i Inia, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Pakistan, Cambodia, Tibet, China (Guangxi, Guangdong), Taiwan me Indonesia (Endeh, Flores, east Java, Komodo, and Lomblen Islands). Ka whakarārangitia te momo rohe hei "India". Ko te tikanga, koinei te takutai o Coromandel, na Russell (1796). Ka whakahua a Brown (1973) ka kitea hoki i Vietnam, Laos, me te moutere o Indonesia o Sumatra. Ko Ditmars (1937) i whiwhi i tetahi tauira mai i Sumatra, ano hoki. Heoi, ko te tohatoha o tenei momo i te moutere o Indonesia kei te whakamarama tonu. I roto i tona rohe, he tino noa i etahi waahanga, engari he iti noa iho i etahi atu. I Inia, he maha i Inia, i te taha o te takutai o te Hauauru me ona pukepuke, he tino onge i Inia ki te raki. He mea tino onge hoki i Assam, i te raki o India, i te raki o Myanmar, i te raki o Bangladesh, i te raki o Thailand.
India, Sri Lanka, Bangladesh, Nepal, Myanmar, Thailand, Pakistan, Cambodia, Tibet, China (Guangxi, Guangdong), Taiwan me Indonesia Ko te nuinga o nga whenua kei roto i te rohe o te rohe o te rohe o te rohe