List of data deficient amphibians

Amphibian species (IUCN, 2025-2)
  • 8052 extant species have been evaluated
  • 7156 of those are fully assessed[a]
  • 4186 are not threatened at present[b]
  • 2931 to 3827 are threatened[c]
  • 35 to 148 are extinct or extinct in the wild:
    • 37 extinct (EX) species[d]
    • 2 extinct in the wild (EW)

  1. ^ excludes data deficient evaluations.
  2. ^ NT and LC.
  3. ^ Threatened comprises CR, EN and VU. Upper estimate additionally includes DD.
  4. ^ Chart omits extinct (EX) species

As of December 2025, the International Union for Conservation of Nature (IUCN) lists 896 data deficient amphibian species.[1] 11.1% of all evaluated amphibian species are listed as data deficient.

This is a complete list of data deficient amphibian species and subspecies as evaluated by the IUCN, last substantially updated February 2022. Where possible common names for taxa are given while links point to the scientific name used by the IUCN.

There are 45 salamander species assessed as data deficient.

  • Maolan warty newt (Paramesotriton maolanensis)
  • Kachin crocodile newt (Tylototriton kachinorum)
  • Ywangan crocodile newt (Tylototriton ngarsuensis)
  • Tylototriton panwaensis
  • Pasmans' crocodile newt (Tylototriton pasmansi)
  • Doi Phu Kha crocodile newt (Tylototriton phukhaensis)
  • Sparreboom's crocodile newt (Tylototriton sparreboomi)

There are 768 frog species assessed as data deficient.

Includes tree frog species and their allies.

Other frog species

There are 91 species in the order Gymnophiona assessed as data deficient.

Other Gymnophiona species

See also

References

  1. ^ "IUCN Red List version 2025.2". The IUCN Red List of Threatened Species. International Union for Conservation of Nature and Natural Resources (IUCN). Retrieved 30 December 2025.