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Bufo gargarizans miyakonis

Basic information
Scientific name Bufo gargarizans miyakonis

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ミヤコヒキガエル
Common names Miyako toad
Higher taxon Bufonidae, Anura, Amphibia
Natural range Miyako Islands (Ikemajima, Miyakojima, Irabujima, Shimojishima Is.)
Habitat Lowland grassland and farm area.
Invasion information
Range in Japan Daito Islands (Kitadaitojima and Minamidaitojima Is.). This subspecies was also established in northern Okinawajima Is., but probably eradicated in late 1980s to mid 1990s. Range in Japan
Origin Miyakojima Is.
Date 1970s in Daito Is. 1975 or 1976 in Okinawajima Is.
Route Deliberate: For biological control of agricultural pests in Daito Islands. Release of education material in Okinawajima Is.
Impact Potentially: Predation of soil dwelling invertebrates.
Affected organism: Soil dwelling invertebrates.
Regulation in Japan No action for prevention, mitigation, control, or eradication.
Introduced range in other countries
Reference Notes
  • Ecol Soc Jpn (ed) (2002) Handbook of Alien Species in Japan. Chijinshokan, Tokyo (in Jpn)
  • Maeda & Matsui (1999) Frogs and Toads of Japan. Bun-ichi Sogo Shuppan, 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
  • Sengoku et al. (eds) (1996) The Encyclopedia of Animals in Japan 5 Amphibians, Reptiles, Chondrichthyes. Heibonsha, Tokyo (in Jpn)