Boophis williamsi (Guibé, 1974)

Williams' bright-eyed frog



Taxonomy & Nomenclature

Synonym/s: Boophis williamsii (Guibé, 1974)


Conservation Status

Last record: 1979

Rediscovered in 2001

IUCN RedList status: Critically Endangered





Biology & Ecology










Original scientific description:

Guibé, J. 1974. Batraciens nouveaux de Madagascar. Bulletin du Muséum National d'Histoire Naturelle. Serie 3 145: 1009-1017.


Other references:

Andreone, F., Cadle, J.E., Cox, N., Glaw, F., Nussbaum, R.A., Raxworthy, C.J., Stuart, S.N., Vallan, D. and Vences, M. 2005. A species review of amphibian extinction risks in Madagascar: results from the Global Amphibian Assessment. Conservation Biology: 1790-1802.

Andreone, F., Cox, N., Glaw, F., Rabibisoa, N.A.C., Randriamahazo, H., Randrianasolo, H., Raxworthy, C.J., Stuart, S., Vallan, D. and Vences, M. 2008. Update of the Global Amphibian Assessment for Malagasy amphibians in light of new species discoveries, taxonomic changes, and new field information. In: F. Andreone (ed.), A Conservation Strategy for the Amphibians of Madagascar, Monografie del Museo Regionale di Scienze Naturali di Torino, 419-436.

Andreone, F., Crottini, A., Rabemananjara, F.C.E., Randrianirina, J.E., Razafindrabe, T., Tessa, G. 2014. Age structure, population estimate and Bd-status of two Critically Endangered frogs from the Ankaratra Massif (Madagascar), Boophis williamsi and Mantidactylus pauliani (Amphibia: Mantellidae). In: M. Capula and C. Corti (eds), Scripta Herpetologica. Studies on Amphibians and Reptiles in honour of Benedetto Lanza. Monografie Societas Herpetologica Italica - III, pp. 17-29. Edizioni Belvedere, Latina.

Andreone, Franco et al. (2022). Threatened and extinct amphibians and reptiles in Italian natural history collections are useful conservation tools. Acta Herpetologica 17(1): 45-58. doi:10.36253/a_h-12349

Bletz, M.C., Rosa, G.M., Andreone, F., Courtois, E.A., Schmeller, D.S., Rabibisoa, N.H.C, Rabemananjara, F.C.E., Raharivololoniaina, L., Vences, M., Weldon, C., Edmonds, D., Raxworthy, C.J., Harris, R.N., Fisher, M.C. and Crottini, A. 2015. Widespread presence of the pathogenic fungus Batrachochytrium dendrobatidis in wild amphibian communities in Madagascar. Scientific Reports 5(8633): 1-10.

Blommers-Schlösser, R.M.A. 1979. Biosystematics of the Malagasy frogs. II. The genus Boophis (Rhacophoridae). Bijdragen tot de Dierkunde 49: 261-312.

Blommers-Schlösser, R.M.A. and Blanc, C.P. 1991. Amphibiens (première partie). Fauna de Madagascar 75: 1-379.

Glaw, F. and Vences, M. 1994. A Fieldguide to the Amphibians and Reptiles of Madagascar. Second Edition. Zoologisches Forschungsinstitut und Museum Alexander Koenig, Bonn.

Glaw, F. and Vences, M. 2007. A Fieldguide to the Amphibians and Reptiles of Madagascar. Third Edition. Vences & Glaw Verlag, Cologne.

IUCN SSC Amphibian Specialist Group. 2016. Boophis williamsi. The IUCN Red List of Threatened Species 2016: e.T57435A84165560. Downloaded on 12 February 2017.

Ndriantsoa, S.H., Rakotonanahary, T., Dawson, J. and Edmonds, D. 2014. Predation of the Critically Endangered Boophis williamsi by Boophis goudotii at Ankaratra Massif, Madagascar. Herpetology Notes 7: 343-345.

Raxworthy, C.J. in press. Global warming and extinction risks for amphibians in Madagascar: a preliminary assessment of potential upslope displacement. Bollettino del Museo rgionale di Scienze naturali Torino.

Scheffers, Brett R., Yong, Ding Li, Harris, J. Berton C., Giam, Xingli and Sodhi, Navjot S. (2011). The world’s rediscovered species: back from the brink? PLoS ONE 6(7): e22531. [Supporting Information (Table S1)]

Vences, M. and Glaw, F. 1999. Variation in Mantidactylus madecassus Millot & Guibé, 1950, a little known Malagasy frog, with resurrection of Mantidactylus pauliani Guibé, 1974. Herpetological Journal 9: 101-110.

Vences, M., Andreone, F., Glaw, F., Raminosoa, N., Randrianirina, J.E. and Vieites, D.R. 2002. Amphibians and reptiles of the Ankaratra Massif: reproductive diversity, biogeography and conservation of a montane fauna in Madagascar. Italian Journal of Zoology 69: 263-284.


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