Page last updated at 21:48 GMT, Wednesday, 3 February 2010

Giant salamanders: Meet the world's biggest amphibian

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The giant salamanders of Japan and China are the largest amphibians on the planet - largely unchanged since the age of the dinosaurs.

But numbers of both species are falling.

Dr Takeyoshi Tochimoto is director of the Hanzaki Insitute near Hyogo in western Japan ("hanzaki" is the local name for the giant salamander).

Here, he gives us a guided tour of the beast.

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