Biology:List of critically endangered amphibians

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Critically endangered (CR) species face an extremely high risk of extinction in the wild.

As of December 2021, the International Union for Conservation of Nature (IUCN) lists 673 critically endangered amphibian species, including 146 which are tagged as possibly extinct. 9.2% of all evaluated amphibian species are listed as critically endangered. No subpopulations of amphibians have been evaluated by the IUCN.

Additionally, 1193 amphibian species (16.4% of those evaluated) are listed as data deficient, meaning there is insufficient information for a full assessment of conservation status. As these species typically have small distributions and/or populations, they are intrinsically likely to be threatened, according to the IUCN. While the category of data deficient indicates that no assessment of extinction risk has been made for the taxa, the IUCN notes that it may be appropriate to give them "the same degree of attention as threatened taxa, at least until their status can be assessed."

This is a complete list of critically endangered amphibian species evaluated by the IUCN. Species considered possibly extinct by the IUCN are marked as such.

Salamanders

There are 121 salamander species assessed as critically endangered.

Giant salamanders

• Chinese giant salamander (Andrias davidianus)

Salamandrids

True salamanders and newts

Frogs

There are 549 frog species assessed as critically endangered.

Hylids

Includes tree frog species and their allies.

Gynmophiona

There are 3 caecilian species assessed as critically endangered.

See also

• Lists of IUCN Red List critically endangered species
• List of least concern amphibians
• List of near threatened amphibians
• List of vulnerable amphibians
• List of endangered amphibians
• List of recently extinct amphibians
• List of data deficient amphibians