Kurixalus eiffingeri

{{short description|Species of frog}}

{{Speciesbox

| image = Kurixalus_eiffingeri.jpg

| status = LC

| status_system = IUCN3.1

| status_ref =

| taxon = Kurixalus eiffingeri

| authority = (Boettger, 1895)

| synonyms =

• Buergeria pollicaris (Werner, 1914)
• Chirixalus eiffingeri

}}

Kurixalus eiffingeri, commonly known as Eiffinger's tree frog, is a species of frog in the family Rhacophoridae. It is found in Taiwan and on the Yaeyama Islands of Japan. Its natural habitats are broadleaf forests, bamboo forests, and mixed bamboo forests between 50 and 2000 meters above sea level. It is threatened by habitat loss.{{cite iucn |author=IUCN SSC Amphibian Specialist Group. |year=2022 |title=Kurixalus eiffingeri |page=e.T186873381A63850732 |doi=10.2305/IUCN.UK.2022-1.RLTS.T186873381A63850732.en}}{{BioRef|amphibiaweb |title=Kurixalus eiffingeri (Boettger, 1895) |author1= Ambika Sopory |editor1= Michelle S. Koo |date=October 16, 2000 |url=https://amphibiaweb.org/species/4367 |access-date=March 20, 2024}}

Kurixalus eiffingeri is a small to medium sized frog with rough skin and a robust body. The adult male frog measures 31-35 mm in snout-vent length and the adult female frog 36-40 mm They breed in tree holes and bamboo stumps.{{cite web |url=http://amphibia.biota.biodiv.tw/pages/460 |title=Kurixalus eiffingeri |author=Lue, Kuang-Yang |work=BiotaTaiwanica |accessdate=19 December 2012 |url-status=dead |archiveurl=https://web.archive.org/web/20160505173531/http://amphibia.biota.biodiv.tw/pages/460 |archivedate=5 May 2016 }} Some male frogs have been observed guarding the eggs before hatching. Tadpoles are oophagous, and female frogs lay trophic eggs to feed their young.{{cite journal | last1 = Kam | first1 = Yeong-Choy |author2=Chen, Yi-Huey |author3=Chen, Te-Chih |author4=Tsai, I-Ru | year = 2000 | title = Maternal brood care of an arboreal breeder, Chirixalus eiffingeri (Anura: Rhacophoridae) from Taiwan | journal = Behaviour | volume = 137 | issue = 1 | pages = 137–151 | jstor = 4535693 | doi=10.1163/156853900501917

}} Tadpoles of this species have been reported to avoid defecation until after metamorphosis.{{Cite journal |last=Ito |first=Bun |last2=Okada |first2=Yasukazu |date=2024-09-22 |title=Phytotelmata‐dwelling frog larvae might exhibit no defecation: A unique adaptation to a closed aquatic environment |url=https://esajournals.onlinelibrary.wiley.com/doi/10.1002/ecy.4428 |journal=Ecology |language=en |doi=10.1002/ecy.4428 |issn=0012-9658|doi-access=free }}