(Hyloxalus elachyhistus)
Hyloxalus elachyhistus shows considerable intraspecies variability,and it might represent more than one species.Ecuadorian males measure 18–24 mm (0.71–0.94 in) and females 21.5–28 mm (0.85–1.10 in) in snout–vent length.Peruvian specimens are smaller: males measure 17–20 mm (0.67–0.79 in) and females 19–23 mm (0.75–0.91 in) SVL.Dorsum varies in colour between populations,from pale olive to brown.There is a pale yellow to tan oblique lateral stripe,usually narrowly bordered by dark brown or black.