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Staurois natator02.jpeg
Staurois natator
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Subphylum: Vertebrata
Class: Amphibia
Subclass: Lissamphibia
Order: Anura
Suborder: Neobatrachia
Family: Ranidae
Genus: Staurois
Cope, 1865

6, and see text

Staurois is a small genus of minuscule true frogs. Most species in the genus are restricted to Borneo, but two species are from the Philippines.[1][2] This genus is a quite ancient member of the true frog family, Ranidae.[3] They are typically found in or near rapidly flowing, small rocky streams, and are sometimes known as splash frogs or foot-flagging frogs. The latter name refers to their unusual behavior of conspicuously waving their hindlegs and feet, as a way of signalling other members of the species.[4][5] Similar behavior has also been documented in other frog genera, notably Hylodes and Micrixalus.


The six currently recognized species in the genus are:[1]


  1. ^ a b Arifin, U., D. T. Iskandar, D. P. Bickford, R. M. Brown, R. Meier, and S. N. Kutty. (2011). Phylogenetic relationships within the genus Staurois (Anura, Ranidae) based on 16S rRNA sequences. Zootaxa 2744: 39–52
  2. ^ Matsui et al. (2007)
  3. ^ Stuart (2008)
  4. ^ Grafe & Wanger (2007). Multimodal Signaling in Male and Female Foot-Flagging Frogs Staurois guttatus (Ranidae): An Alerting Function of Calling. Ehology 113(8): 772–781. DOI: 10.1111/j.1439-0310.2007.01378.x
  5. ^ Grafe, Preininger, Sztatecsny, Kasah, Dehling, Proksch & Höd (2012). Multimodal Communication in a Noisy Environment: A Case Study of the Bornean Rock Frog Staurois parvus. PLoS ONE, DOI: 10.1371/journal.pone.0037965