Zhangixalus viridis

Zhangixalus viridis
Conservation status
	; Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Amphibia
Order:	Anura
Family:	Rhacophoridae
Genus:	Zhangixalus
Species:	Z. viridis
Binomial name
	Zhangixalus viridis; (Hallowell, 1861)
Synonyms
	Polypedates viridis Hallowell, 1861; Rhacophorus viridis (Hallowell, 1861);

Zhangixalus viridis (Okinawan tree frog) is a species of frog in the family Rhacophoridae. It is endemic to Ryukyu Islands, Japan. It is known from Amamioshima, Kakeromajima, Ukejima, Yoronjima and Tokunoshima islands of the Amami Group, and Okinawajima, Iheyajima and Kumejima islands of the Okinawa Group.[2]

Two subspecies are distinguished: Okinawa green tree frog (Zhangixalus viridis viridis) of the Okinawa Group and Amami green tree frog (Zhangixalus viridis amamiensis) of the Amami Group.[1][2]

Zhangixalus viridis is no longer present on Yoronjima island. Its disappearance from the island some time after 1958 is attributed to habitat change (conversion of paddy fields to drier habitats) and an introduced predator, Japanese weasel (Mustela itatsi). This is the first island-level extinction of a native amphibian in the Ryukyu Archipelago during modern times.[3]

Zhangixalus viridis is a moderate-sized rhacophorid frog (snout-vent length 65–84 mm (2.6–3.3 in)).[3] It is a common species in forests close to paddy fields and wetlands. It breeds in wetlands and paddy fields by larval development.[1]

References

IUCN SSC Amphibian Specialist Group (2021). "Zhangixalus viridis". IUCN Red List of Threatened Species. 2021: e.T187984019A177225773. doi:10.2305/IUCN.UK.2021-1.RLTS.T187984019A177225773.en. Retrieved 14 November 2021.
Frost, Darrel R. (2013). "Rhacophorus viridis (Hallowell, 1861)". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 1 November 2013.
Nakamura, Y.; Takahashi, A.; Ota, H. (2009). "Evidence for the recent disappearance of the Okinawan tree frog Rhacophorus viridis on Yoronjima Island of the Ryukyu Archipelago, Japan". Current Herpetology. 28: 29–33. doi:10.3105/018.028.0105.

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[iucn_status_14_November_2021-1] IUCN SSC Amphibian Specialist Group (2021). "Zhangixalus viridis". IUCN Red List of Threatened Species. 2021: e.T187984019A177225773. doi:10.2305/IUCN.UK.2021-1.RLTS.T187984019A177225773.en. Retrieved 14 November 2021.

[frost-2] Frost, Darrel R. (2013). "Rhacophorus viridis (Hallowell, 1861)". Amphibian Species of the World 5.6, an Online Reference. American Museum of Natural History. Retrieved 1 November 2013.

[Nakamura-3] Nakamura, Y.; Takahashi, A.; Ota, H. (2009). "Evidence for the recent disappearance of the Okinawan tree frog Rhacophorus viridis on Yoronjima Island of the Ryukyu Archipelago, Japan". Current Herpetology. 28: 29–33. doi:10.3105/018.028.0105.