At least 37 species of amphibians are native to Taiwan. Of these, 17 species are endemic to Taiwan. Salamander Echinotriton andersoni is considered extinct in Taiwan (but survives on the Ryukyu Islands of Japan). In addition, there are three introduced species: cane toad Rhinella marina, bullfrog Lithobates catesbeianus, and Chinese giant salamander Andrias davidianus. Thus, in total 40 amphibians have been recorded in Taiwan.