The Xenochrophis piscator is a non-venomous snake that is widely found in Indonesia and distributed on the islands of Sumatra, Java, and Kalimantan. The eggs have conspicuously pitted with length 0.08-0.09 mm and width 0.07-0.08 mm.

The distance of the vulva from the anterior edge was 56-88 mm with an average of 67.35 mm. Dorsal and ventrolateral lips almost have the same size that was 0.13-0.16×0.15-0.19 mm. The body length and width of the female worm were 85-130 mm and 1.28-1.71 mm, respectively. The length of interlabia was 0.06-0.08 mm, esophagus was 3.21-4 mm, tail was 0.17-0.23 mm, and spicule was 2.12-3.36 mm. Dorsal and ventrolateral lips almost have the same size that was 0.10-0.12×0.11-0.13 mm. The body length and width of the male worm were 70-105 mm and 0.92-1.32, respectively, with head diameter of 0.22-0.28 mm. The mouth of ascaridoids has three lips, the dorsal bearing two large outer papillae and the each lateroventral with one papilla. Nematode worm in this study had three lips with almost the same size and it had papillae, so it was included in ascaridoid.

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