''Huia melasma'' is a species of

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

s in the family Ranidae. It is

endemic Endemism is the state of a species being found 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 found elsew ...

to western and northern

Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thailand, is a country in Southeast Asia, located at the centre of the Indochinese Peninsula, spanning , with a population of almost 70 million. The country is bo ...

and known from

Kanchanaburi Kanchanaburi ( th, กาญจนบุรี, ) is a town municipality (''thesaban mueang'') in the west of Thailand and part of Kanchanaburi Province. In 2006 it had a population of 31,327. That number was reduced to 25,651 in 2017. The town ...

, Prachuap Kiri Khan, and

Chiang Mai Province Chiang Mai ( th, เชียงใหม่, ; nod, , ) is the largest Province (''changwat'') of Thailand. It lies in upper northern Thailand and has a population of 1.78 million people. It is bordered by Chiang Rai to the northeast, Lam ...

Taxonomy

''Huia melasma'' is sometimes placed in the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

Odorrana ''Odorrana'' (commonly known as the odorous frog) is a genus of true frogs (Ranidae) from East Asia and surrounding regions. Many of these frogs inhabit fast-flowing mountain streams, and they typically have a remarkably pointed snout, as evidenc ...

'', but actually seems to belong neither there nor in ''Huia'', at least if the latter genus is defined in the strict sense.

Description

Males in the

type series In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the ...

measure in snout–vent length. No females were collected but a photographed individual presumed to be female measured in snout–vent length. The overall appearance of this species is moderately slender. The head is narrow with obtusely pointed snout. The tympanum is distinct. The fingers are unwebbed but have tips that are expanded to small discs; the toes are strongly webbed and have discs at their tips. Skin on the dorsum is shagreened; on the sides and venter skin is smooth. The dorsolateral fold is weak.

Habitat and conservation

''Huia melasma'' live near streams and waterfalls in moist lowland evergreen and semi-evergreen forestat elevations of

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

. The known locations are within protected areas (including

Chaloem Rattanakosin National Park Chaloem Rattanakosin National Park ( th, อุทยานแห่งชาติเฉลิมรัตนโกสินทร์), also known as Tham Than Lot National Park (อุทยานแห่งชาติถ้ำธารลอ� ...

and

Kaeng Krachan National Park Kaeng Krachan National Park ( th, อุทยานแห่งชาติแก่งกระจาน, , ) is the largest national park of Thailand Thailand ( ), historically known as Siam () and officially the Kingdom of Thaila ...

), although habitat change from agriculture, fire,

tourism Tourism is travel for pleasure or business; also the theory and practice of touring (disambiguation), touring, the business of attracting, accommodating, and entertaining tourists, and the business of operating tour (disambiguation), tours. Th ...

development, and

illegal logging Illegal logging is the harvest, transportation, purchase or sale of timber in violation of laws. The harvesting procedure itself may be illegal, including using corrupt means to gain access to forests; extraction without permission, or from a pro ...

continues to occur.

References

{{Taxonbar, from=Q2244316

melasma Melasma (also known as chloasma faciei,James, William; Berger, Timothy; Elston, Dirk (2005). ''Andrews' Diseases of the Skin: Clinical Dermatology''. (10th ed.). Saunders. . or the mask of pregnancy when present in pregnant women) is a tan or dark ...

Frogs of Asia Amphibians of Thailand Endemic fauna of Thailand Amphibians described in 2005 Taxonomy articles created by Polbot