[2] The specific name, horsfieldii, is in honor of American naturalist Thomas Horsfield.

[3] G. horsfieldii is found in Brunei, Indonesia, Malaysia, Myanmar, Sarawak, Singapore, Sumatra, and Thailand.

[2] The preferred natural habitat of G. horsfieldii is forest, at altitudes from sea level to 300 m (980 ft).

[1] G. horsfieldii may attain a snout-to-vent length (SVL) of 8 cm (3.1 in).

[2] The adult female lays a clutch of two eggs.