Kuroiwa's ground gecko

Kuroiwa's ground gecko, or the Okinawan ground gecko (Goniurosaurus kuroiwae), is a species of lizards in the family Eublepharidae. The species is endemic to Japan.

Kuroiwa's ground gecko
in Ōgimi, Kunigami, Okinawa, Japan
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Reptilia
Order: Squamata
Family: Eublepharidae
Genus: Goniurosaurus
G. kuroiwae
Binomial name
Goniurosaurus kuroiwae
(Namiye, 1912)
  • Gymnodactylus albofasciatus kuroiwae
    Namiye, 1912
  • Eublepharis kuroiwae
    — Wermuth, 1965
  • Amamisaurus kuroiwae
    Börner, 1981
  • Goniurosaurus kuroiwae
    Grismer, 1987


The specific name, kuroiwae, is in honor of T. Kuroiwa, collector of the holotype.[3]

Common names

Additional common names for G. kuroiwae include Kuroiwa's eyelid gecko, Kuroiwa's leopard gecko, and Tokashiki gecko.[2]


  1. ^ Kidera, N. & Ota, H. 2017. Goniurosaurus kuroiwae. The IUCN Red List of Threatened Species 2017: e.T98152257A96877452. https://dx.doi.org/10.2305/IUCN.UK.2017-3.RLTS.T98152257A96877452.en. Downloaded on 02 January 2019.
  2. ^ a b "Goniurosaurus kuroiwae ". The Reptile Database. www.reptile-database.org.
  3. ^ Beolens, Bo; Watkins, Michael; Grayson, Michael (2011). The Eponym Dictionary of Reptiles. Baltimore: Johns Hopkins University Press. xiii + 296 pp. ISBN 978-1-4214-0135-5. (Goniurosaurus kuroiwae, p. 148).

Further reading

  • Namiye M (1912). "[The geckos from the Okinawa Islands]". Dobutugaku Zasshi [Zoological Magazine], Tokyo 24: 442-445. (Gymnodactylus albofasciatus kuroiwae, new subspecies). (in Japanese).

Goniurosaurus is a genus of geckos, containing 17 species. Members are known by various names including ground geckos, tiger geckos, leopard geckos, and cave geckos Members of this genus are found in China, Japan, and Vietnam. For this reason they are known commonly as Asian geckos. They belong to the family Eublepharidae.

List of Natural Monuments of Japan (Okinawa)

This list is of the Natural Monuments of Japan within the Prefecture of Okinawa.

List of endangered reptiles

As of September 2016, the International Union for Conservation of Nature (IUCN) lists 382 endangered reptile species. 7.4% of all evaluated reptile species are listed as endangered.

The IUCN also lists nine reptile subspecies as endangered.

Of the subpopulations of reptiles evaluated by the IUCN, one species subpopulation has been assessed as endangered.

For a species to be considered endangered by the IUCN it must meet certain quantitative criteria which are designed to classify taxa facing "a very high risk of exintction". An even higher risk is faced by critically endangered species, which meet the quantitative criteria for endangered species. Critically endangered reptiles are listed separately. There are 578 reptile species which are endangered or critically endangered.

Additionally 910 reptile species (18% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed."This is a complete list of endangered reptile species and subspecies evaluated by the IUCN. Species and subspecies which have endangered subpopulations (or stocks) are indicated.

Ryukyu Islands

The Ryukyu Islands (琉球諸島, Ryūkyū-shotō), also known as the Nansei Islands (南西諸島, Nansei-shotō, lit. "Southwest Islands") or the Ryukyu Arc (琉球弧, Ryūkyū-ko), are a chain of Japanese islands that stretch southwest from Kyushu to Taiwan: the Ōsumi, Tokara, Amami, Okinawa, and Sakishima Islands (further divided into the Miyako and Yaeyama Islands), with Yonaguni the westernmost. The larger are mostly high islands and the smaller mostly coral. The largest is Okinawa Island.

The climate of the islands ranges from humid subtropical climate (Köppen climate classification Cfa) in the north to tropical rainforest climate (Köppen climate classification Af) in the south. Precipitation is very high and is affected by the rainy season and typhoons. Except the outlying Daitō Islands, the island chain has two major geologic boundaries, the Tokara Strait (between the Tokara and Amami Islands) and the Kerama Gap (between the Okinawa and Miyako Islands). The islands beyond the Tokara Strait are characterized by their coral reefs.

The Ōsumi and Tokara Islands, the northernmost of the islands, fall under the cultural sphere of the Kyushu region of Japan; the people are ethnically Japanese and speak a variation of the Kagoshima dialect of Japanese. The Amami, Okinawa, Miyako, and Yaeyama Islands have a native population collectively called the Ryukyuan people, named for the former Ryukyu Kingdom that ruled them. The varied Ryukyuan languages are traditionally spoken on these islands, and the major islands have their own distinct languages. In modern times, the Japanese language is the primary language of the islands, with the Okinawan Japanese dialect prevalently spoken. The outlying Daitō Islands were uninhabited until the Meiji period, when their development was started mainly by people from the Izu Islands south of Tokyo, with the people there speaking the Hachijō language.

Administratively, the islands are divided into Kagoshima Prefecture (specifically the islands administered by Kagoshima District, Kumage Subprefecture/District, and Ōshima Subprefecture/District) in the north and Okinawa Prefecture in the south, with the divide between the Amami and Okinawa Islands, with the Daitō Islands part of Okinawa Prefecture. The northern (Kagoshima) islands are collectively called the Satsunan Islands, while the southern part of the chain (Okinawa Prefecture) are called the Ryukyu Islands in Chinese.


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