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The Asiatic salamanders (family Hynobiidae) are primitive salamanders found all over Asia, and in European Russia. They are closely related to the giant salamanders (family Cryptobranchidae), with which they form the suborder Cryptobranchoidea. About half of hynobiids are unique to Japan. [1]

Hynobiid salamanders practice external fertilization, or spawning. And, unlike other salamander families which reproduce internally, male hynobiids focus on egg sacs rather than females during breeding. [2] The female lays two egg sacs at a time, each containing up to 70 eggs. Parental care is common.[3]

A few species have very reduced lungs, or no lungs at all. The tadpoles can sometimes have reduced external gills if they live in cold and very oxygen-rich water.


Currently, 54 species are known. These genera make up the Hynobiidae:

Subfamily Hynobiinae


Hasumi, M. (2002). About hynobiids. Retrieved May 8, 2005 from [1].

External links

  • AmphibiaWeb: Hynobiidae
  • Tree of Life: Hynobiidae
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