Thampi's torrent frog (Micrixalus thampii)

Thampi's torrent frog
IUCN Red List species status – Data Deficient DATA

Top facts

  • Thampi’s torrent frog is only known from Silent Valley National Park, in the Western Ghats region of India.
  • Last seen in 1981, Thampi’s torrent frog was rediscovered by chance in 2010 in a rubbish bin.
  • An inhabitant of moist tropical evergreen forests, Thampi’s torrent frog is found along hill streams and riverbanks, and is known to hide under logs and rocks.
  • Thampi’s torrent frog is flesh pink to golden brown, and has black stripes running down its sides.
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Thampi's torrent frog fact file

Thampi's torrent frog description

GenusMicrixalus (1)

Last seen in 1981 (2), Thampi’s torrent frog (Micrixalus thampii) was rediscovered by chance in a rubbish bin almost 30 years later during Conservation International’s Search for Lost Frogs project (3) (4).

Also known as the Silent Valley tropical frog (5), Thampi’s torrent frog is a relatively small Micrixalus species (6). Its upperparts are reported to be flesh pink (6) to golden brown (4), and it has black stripes running down its sides (4) (6).

Also known as
Silent Valley tropical frog, Thampi’s tropical frog.

Thampi's torrent frog biology

There is little information available on the biology of Thampi’s torrent frog. However, as in other Micrixalus species, it is presumed to have aquatic larvae which live in streams (1) (8).


Thampi's torrent frog range

Thampi’s torrent frog is endemic to the Western Ghats, in India (6) (7) (8). This species is only known to be found in the Silent Valley National Park in Kerala (1) (6) (8), but it is possible that its range extends a little further than this (1) (8).


Thampi's torrent frog habitat

Thampi’s torrent frog is found in moist tropical evergreen forests, and is mainly associated with hill streams and other riparian habitats (1) (6) (8). This species is known to reside on the forest floor (1) (6) (8), and can be found under rocks and logs (6). Thampi’s torrent frog has been recorded at an elevation of 900 metres (1) (5) (6) (8).


Thampi's torrent frog status

Thampi’s torrent frog is classified as Data Deficient (DD) on the IUCN Red List (1).

IUCN Red List species status – Data Deficient


Thampi's torrent frog threats

At present, there are no known threats to Thampi’s torrent frog (1) (8).


Thampi's torrent frog conservation

Thampi’s torrent frog is protected by national legislation, as well as through its presence in the well-protected Silent Valley National Park in Kerala, India. This poorly known species is also the focus of ongoing studies (1) (8).


Find out more

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A species or taxonomic group that is only found in one particular country or geographic area.
Evergreen forest
Forest consisting mainly of evergreen trees, which retain leaves all year round. This is in contrast to deciduous trees, which completely lose their leaves for part of the year.
Immature stage in an animal’s lifecycle, after it hatches from an egg and before it changes into the adult form. Larvae are typically very different in appearance to adults; they are able to feed and move around but are usually unable to reproduce.
Relating to the banks of rivers and streams.


  1. IUCN Red List (January, 2013)
  2. IUCN/SSC Amphibian Specialist Group - Lost Frogs List (January, 2013)
  3. Moore, R. (2011) Rediscovering a species…in a rubbish bin. Conservation International Blog, 17 February. Available at:
  4. Species New to Science Blog (2011) India's 5 lost frogs rediscovered, including: Ramanella anamalaiensis, Raorchestes chalazodes and Micrixalus thampii. Species New to Science Blog, 15 July. Available at:
  5. American Museum of Natural History - Micrixalus thampii (January, 2013)
  6. India Biodiversity Portal - Micrixalus thampii (January, 2013)
  7. Molur, S. (2008) South Asian amphibians: taxonomy, diversity and conservation status. International Zoo Yearbook, 42: 143-157.
  8. AmphibiaWeb - Micrixalus thampii (December, 2012)

Image credit

Thampi's torrent frog  
Thampi's torrent frog

© David.V. Raju

David. V. Raju


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