© 2009 Dr. Peter Janzen (1 of 18)
Distribution and Habitat
Country distribution from AmphibiaWeb's database: China, Japan, Korea, Democratic People's Republic of, Korea, Republic of, Russian Federation
Life History, Abundance, Activity, and Special Behaviors
Reproduction occurs in lakes, ponds, swamps, puddles, old riverbeds, ditches and rivulets with stagnant or semi-flowing water. Males enter breeding areas before females. Amplexus is pectoral. The clutch in the form of two strings of eggs, 1.5-2.3 m in length, containing 1200-7400 eggs. Metamorphosis occurs in summer. Mass mortality of B. gargarizans larvae occurs in pools with high tadpole density of the brown frog Rana dybowskii.
Sexual maturity of this toad is probably attained during the 3rd-4th year of life; the majority of adults are 5-6 years old.
Adult B. gargarizans consume insects, especially Coleoptera and Hymenoptera. Other invertebrates such as Mollusca, Myriapoda and Arachnoidea are eaten in smaller quantities.
Trends and Threats
Some peripheral populations, especially at the northern margin of the range (North China, probably Transbaikalia), are small and isolated, and they may be vulnerable to the alteration of habitats.
Relation to Humans
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Won, H.-K. (1971). Choson Ryangso Pyachyungryuchji [Amphibian and Reptilian Fauna of Korea]. Korean Academy of Sciences, Pyongyang.
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Written by Sergius L. Kuzmin (ipe51 AT yahoo.com), Institute of Ecology and Evolution, Russian Academy of Sciences, Moscow
First submitted 1999-09-30
Edited by Kellie Whittaker (2018-06-18)
Species Account Citation: AmphibiaWeb 2018 Bufo gargarizans: Asiatic Toad <http://amphibiaweb.org/species/179> University of California, Berkeley, CA, USA. Accessed Nov 20, 2018.
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Citation: AmphibiaWeb. 2018. <http://amphibiaweb.org> University of California, Berkeley, CA, USA. Accessed 20 Nov 2018.
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