''Sylvirana nigrovittata'', also known as the black-striped frog, black-spotted stream frog, sapgreen stream frog, etc., 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 ...

in the family Ranidae. It is found in northeastern

India India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...

Bangladesh Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...

Nepal Nepal (; ne, नेपाल ), formerly the Federal Democratic Republic of Nepal ( ne, सङ्घीय लोकतान्त्रिक गणतन्त्र नेपाल ), is a landlocked country in South Asia. It is mai ...

, southern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Myanmar Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, Joh ...

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 ...

Cambodia Cambodia (; also Kampuchea ; km, កម្ពុជា, UNGEGN: ), officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochinese Peninsula in Southeast Asia, spanning an area of , bordered by Thailand t ...

Laos Laos (, ''Lāo'' )), officially the Lao People's Democratic Republic ( Lao: ສາທາລະນະລັດ ປະຊາທິປະໄຕ ປະຊາຊົນລາວ, French: République démocratique populaire lao), is a socialist ...

, and

Vietnam Vietnam or Viet Nam ( vi, Việt Nam, ), officially the Socialist Republic of Vietnam,., group="n" is a country in Southeast Asia, at the eastern edge of mainland Southeast Asia, with an area of and population of 96 million, making i ...

. The species was redelimited in 2018, and earlier literature may refer to other species; identifications from India and Bangladesh are still uncertain. ''Sylvirana nigrovittata'' occurs in gentle streams in evergreen forest, including evergreen galleries in deciduous forest areas. The

tadpole A tadpole is the larval stage in the biological life cycle of an amphibian. Most tadpoles are fully aquatic, though some species of amphibians have tadpoles that are terrestrial. Tadpoles have some fish-like features that may not be found i ...

s develop quiet stream sections. It is a common species. It is threatened by the loss of forest canopy over streams it inhabits, as well as hydrological changes. It is not considered threatened by the

IUCN The International Union for Conservation of Nature (IUCN; officially International Union for Conservation of Nature and Natural Resources) is an international organization working in the field of nature conservation and sustainable use of natu ...

. Image:Hylarana cf. nigrovittata.jpg, ''Sylvirana'' cf. ''nigrovittata'',

Khao Luang National Park Khao Luang (เขาหลวง) is the tallest mountain in southern Thailand. It is in Nakhon Si Thammarat Province. Geography The Khao Luang mountain is the highest summit of a massif of several hills with steep slopes. It is part of the Nak ...

Image:Hylarana cf. nigrovittata 2.jpg, ''Sylvirana'' cf. ''nigrovittata'', Khao Luang National Park

References

nigrovittata Amphibians of Bangladesh Amphibians of Cambodia Amphibians of China Frogs of India Amphibians of Laos Amphibians of Myanmar Amphibians of Nepal Amphibians of Thailand Amphibians of Vietnam Amphibians described in 1856 Taxa named by Edward Blyth {{Ranidae-stub