''Scutiger ghunsa'' is a species of

toad Toad (also known as a hoptoad) is a common name for certain frogs, especially of the family Bufonidae, that are characterized by dry, leathery skin, short legs, and large bumps covering the parotoid glands. In popular culture (folk taxonomy ...

in the family

Megophryidae Megophryidae, commonly known as goose frogs, is a large family of frogs native to the warm southeast of Asia, from the Himalayan foothills eastwards, south to Indonesia and the Greater Sunda Islands in Maritime Southeast Asia, and extending to t ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

to eastern

Nepal Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia. It is mainly situated in the Himalayas, but also includes parts of the Indo-Gangetic Plain. It borders the Tibet Autonomous Region of China Ch ...

and only known from its eponymous type locality,

Ghunsa Ghunsa () is a village of Taplejung, Nepal at elevation of 3,475 m and is a major check point for Mt. Kangchenjunga. This village came into attention after the helicopter accident that killed 24 passengers including most prominent figures in conser ...

, in the

Taplejung District Taplejung District ( ) is one of seventy-seven districts of Nepal and one of the 14 districts of Koshi Province. It is located deep in the Himalayas in Eastern Nepal with བོད to the north across the Himalayas. Taplejung is the third lar ...

. This species is also known as Ghunsa alpine toad and Ghunsa high altitude toad. Its closest relatives are '' Scutiger nepalensis'' and '' Scutiger sikimmensis''.

Description

Males measure and females in snout–vent length. The head is wider than it is long. The snout is short and rounded. The

paratoid gland The parotoid gland (alternatively, paratoid gland) is an external skin gland on the back, neck, and shoulder of some frogs (especially toads), and salamanders. It can secrete a number of milky alkaloid substances (depending on the species) known ...

s are large. The canthus rostralis is distinct. No tympanum is visible. The forelimbs are short and robust, while the hindlimbs are long and powerful. The finger and toe tips are rounded. The fingers have no webbing while the toes are weakly webbed. males have nuptial spines on the dorsal surface of the first three fingers. Dorsal skin in males is rough with scattered warts bearing black spines. The flanks bear larger, white warts or granules. Females have smooth skin. The upper parts are light brown. There is an olive brown triangular spot on the snout and interorbital region. The flanks are light brown, ventrally fading into creamy yellow. The ventral surfaces are creamy white with irregular, light gray-brown lines. A male found guarding eggs under a rock suggests a degree of

parental care Parental care is a behavioural and evolutionary strategy adopted by some animals, involving a parental investment being made to the evolutionary fitness of offspring. Patterns of parental care are widespread and highly diverse across the animal k ...

, a behavior previously unknown for this genus.

Tadpole A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...

s of Gosner stage 27 measure in total length, of which the tail makes two thirds. The body is oval. The upper tail fin is higher than the lower one; both converge at the pointed tail tip.

Habitat

''Scutiger ghunsa'' is known from an elevation of about

above sea level Height above mean sea level is a measure of a location's vertical distance (height, elevation or altitude) in reference to a vertical datum based on a historic mean sea level. In geodesy, it is formalized as orthometric height. The zero level ...

. The locality is characterized by a mixed

rhododendron ''Rhododendron'' (; : ''rhododendra'') is a very large genus of about 1,024 species of woody plants in the Ericaceae, heath family (Ericaceae). They can be either evergreen or deciduous. Most species are native to eastern Asia and the Himalayan ...

forest with low canopy cover and a slow-running stream with stagnant pools.

Conservation

As of late 2020, this species had not yet been assessed for the

IUCN Red List of Threatened Species The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological spe ...

, but the original describers suggested that it should be considered "

data deficient A data deficient (DD) species is one which has been categorized by the International Union for Conservation of Nature (IUCN) as offering insufficient information for a proper assessment of conservation status to be made. This does not necessaril ...

". The known population is within the

Kanchenjunga Conservation Area Kanchenjunga Conservation Area is a protected area in the Himalayas of eastern Nepal that was established in 1997. It covers in the Taplejung District and comprises two peaks of Kanchenjunga. In the north it adjoins the Qomolangma National Nat ...

. The species was named after its type locality in hope that this would raise awareness and further help to conserve the flora and fauna in the area.

References

{{Taxonbar, from=Q101129756

ghunsa Ghunsa () is a village of Taplejung, Nepal at elevation of 3,475 m and is a major check point for Mt. Kangchenjunga. This village came into attention after the helicopter accident that killed 24 passengers including most prominent figures in conser ...

Amphibians of Nepal Endemic fauna of Nepal Amphibians described in 2019 Taxa named by David C. Cannatella