Crossocheilus obscurus is a species cyprinid fish. It occurs on Sumatra (Indonesia) and in Peninsular Malaysia. It lives in fast flowing steams with rocky substrate.
Murni, Mida Yulia, and Dewi Imelda Roesma. "Inventarisasi Jenis-Jenis Ikan Cyprinidae di Sungai Batang Nareh, Kabupaten Padang Pariaman." Jurnal Biologi Universitas Andalas 3.4 (2014).