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Mauremys mutica kami

Basic information
Scientific name Mauremys mutica kami

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ヤエヤマイシガメ
Common names Asian brown pond turtle
Higher taxon Geoemydidae, Testudines, Reptilia
Natural range Ishigakijima, Iriomotejima, and Yonagunijima (Sakishima Islands).
Habitat Pond, swamp, small slow stream. Artificial freshwater environment such as rice field or agricultural drain.
Invasion information
Range in Japan Okinawa Islands (Okinawajima, Sesokojima, Akajima, Kumejima) and Sakishima Islands (Miyakojima, Kurimajima, Haterumajima). This species (subspecies unknown) is also established in Chiba Pref. (Inbanuma Pond), Akusekijima (Tokara Islands), Kitadaitojima (Daito Islands), and Kerama Islands (Zamamijima and Tonakijima Is.). Range in Japan
Origin Sakishima Islands.
Date 1980s or later.
Route Deliberate: Release or escape of pet animals.
Impact Hybridization, competition, and predation.
Affected organism: Native geoemydid turtles such as Mauremys japonica. Hybridization often occur between different species or genera of geoemydid turtles. There is an evidence of hybridization between this subspecies and M. japonica
Regulation in Japan Mauremys mutica is listed in CITES Appendix II.
Introduced range in other countries
Reference Notes
  • Ecol Soc Jpn (ed) (2002) Handbook of Alien Species in Japan. Chijinshokan, Tokyo (in Jpn)
  • Maenosono & Toda (2007) Distribution of amphibians and terrestrial reptiles in the Ryukyu Archipelago: A review of published records. Akamata. 18, 28-46 (in Jpn)
  • Ota et al. (2004) Feral population of amphibians and reptiles in the Ryukyu Archipelago, Japan. Global Environmental Research. 8(2):133-143
  • Ota et al. (2004) Additional information on the introduced reptiles of Haterumajima Island of the Yaeyama Group, Ryukyu Archipelago, with comments on the past records of reptiles from this island. Bull Herpetolo Soc Jpn. 2004(2), 128-137 (in Jpn)
  • Sengoku et al. (eds) (1996) The Encyclopedia of Animals in Japan 5 Amphibians, Reptiles, Chondrichthyes. Heibonsha, Tokyo (in Jpn)