List of data deficient amphibians

825 critically endangered amphibian species (10.2%)1291 endangered amphibian species (16%)815 vulnerable amphibian species (10.1%)453 near threatened amphibian species (5.6%)3733 least concern amphibian species (46.4%)896 data deficient amphibian species (11.1%)
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.

Salamanders

Asiatic salamanders

Mole salamanders

True salamanders and newts

  • 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)

Lungless salamanders

Tongueless frogs

Litter frogs

Australian toadlets, crowned toadlets, and allies

Saddleback toads and allies

Robber frogs

Fleshbelly frogs

Cloud forest landfrogs

Marsupial frogs, horned treefrogs, backpack frogs, and allies

Tree frogs and allies

Leaf frogs

Australian tree frogs

True toads

Cryptic forest frogs

Poison dart frogs

Southern frogs

Glass frogs

Common horned frogs

Odontophrynid frogs

Button frogs and allies

Spiny-chest frogs and allies

Tree toads and allies

Water frogs

Patagonia frogs and allies

Narrow-mouthed frogs

Rain frogs

Shovelnose frogs

African reed frogs

Screeching frogs

Grassland frogs

Puddle frogs

African torrent frogs

Box-headed frogs

Robust frogs

Wrinkled ground frogs and allies

Leaping frogs

Fork-tongued frogs

Shrub frogs

Mantellid frogs

True frogs

Caecilians

  • Darlong chikila

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.