A very small frog and very easily overlooked, they make a very high-pitch irregular call sound. We have found them alongside mountain streams and on mountain paths, often hidden inside crevices between rocks or sitting flat along low streamside branches.
Justifiably named, we always find them clinging to rocks in fast flowing streams. Although we have observed them in fewer streams than Odorrana chloronota, when we do find them, they seem to be there in larger numbers.
In Hong Kong these are only found at higher altitudes on one mountain in the territory. So far, I've only found them on one occasion and the river was a fast flowing mountain cascade with very large boulders and pools.
We find them in similar habitats to Amolops hongkongensis, but also further away from streams and in slower flowing river areas. The females are significantly larger than the males.