The genus is monotypic, containing the sole species Subsessor bocourti.

[2][3] S. bocourti is found in a wide range of stagnant fresh water habitats in Mainland Southeast Asia.

[2] S. bocourti is a live bearing species,[2] giving birth to, on average, 3–8 fully formed neonate snakes.

[citation needed] S. bocourti feeds on frogs, fishes, and crustaceans.

[2] Bocourt's water snake is widely caught for its skin and sometimes also eaten.