[1][3] The specific name guibei honors Jean Guibé,[2] a French zoologist and herpetologist.

Alcohol-preserved specimens are blackish brown above, with light spots forming an indistinct dark pattern.

Ventral surfaces are whitish with brown suffusion on the throat and spots on the chest.

[5] Adult Ansonia guibei range widely over the floor of montane and submontane forests at elevations of 1,300–2,000 m (4,300–6,600 ft) above sea level.

Breeding takes place in small, clear, rocky-bottomed streams.