The giant salamanders
(Cryptobranchidae): Part B. Biogeography, ecology and reproduction. 2013. Robert K. Browne, Hong Li, Zhenghuan Wang, Sumio Okada, Paul M.
Hime, Amy McMillan, Minyao Wu, Raul Diaz, Zhang Hongxing, Dale McGinnity, Jeffrey T. Briggler. Amphibian
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Survey techniques for giant salamanders (Cryptobranchidae) and other aquatic
Caudata. 2011. Robert K
Browne, Hong Li,
Dale McGinnity, Sumio
Okada, Wang Zhenghuan, Catherine M Bodinof,
Kelly J Irwin, Amy
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Amphibian and Reptile Conservation 5(4):1-16(e34).
SUMIO OKADA is a post-doctoral research associate at Tottori
University, Japan. He conducts research focused on ecology and conservation biology of amphibians and
reptiles, especially, Japanese giant salamander (Andrias
japonicus). He serves as Vice President of the Japanese Giant Salamander