Nessia gansi

N. gansi is restricted to low-land wet zones up to 100 m (330 ft).^{[citation needed]} Known localities include Ambalangoda, Kanneliya Forest Reserve, Kottawa, Mount Rumaswala,^[2] Imaduwa and Kottawa.^{[citation needed]}

N. gansi has the following characters. The midbody scales are in 22-26 rows. The ventral scales number 103-114. There are 93-105 paravertebral dorsal scales.^[2] The snout is acutely pointed.^{[citation needed]} There are four limbs, and each limb has three digits.^[2] The dorsum is dark brown, with each dorsal scale having a distinct posterior dark spot, and the venter is dusky brown.^{[citation needed]}

N. gansi prefers damp forests or home gardens. In home gardens, it is found in loose soil, in leaf debris, close to rubbish heaps.^[1]

N. gansi is oviparous.^[2]

The specific name, gansi, is in honour of American herpetologist Carl Gans.^[2]