Boophis williamsi found under a rock in a stream during the day at Ankaratra. Part of work with http://www.frogprobiotics.org/
Boophis williamsi is a species of frog in the Mantellidae family endemic to Madagascar. Its natural habitats are subtropical or tropical moist montane forests, subtropical or tropical high-altitude grassland, rivers, and heavily degraded former forests. It is threatened by habitat loss.