Balanophis is a monotypic genus of the Colubridae family of snakes with the species Balanophis ceylonensis. It is endemic to island of Sri Lanka. The snake is commonly known as Sri Lanka Blossom Krait, or as Sri Lanka Keelback and as මල් කරවලා (Mal Karawala) or නිහලුවා (nihaluwa) in Sinhala. It is a moderately venomous snake.