Indotyphlops Braminus
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''Indotyphlops braminus'', commonly known as the brahminy blind snake and other names, is a non-venomous blind snake
species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...
, found mostly in Africa and Asia, and has been introduced in many other parts of the world. It is a completely
fossorial A fossorial animal () is one that is adapted to digging and which lives primarily (but not solely) underground. Examples of fossorial vertebrates are Mole (animal), moles, badgers, naked mole-rats, meerkats, armadillos, wombats, and mole salamand ...
(i.e., burrowing) reptile, with habits and appearance similar to an
earthworm An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass, depending on the author) Oligochaeta. In classical systems, they we ...
, for which it is often mistaken, although close examination reveals tiny scales and eyes rather than the annular segments characteristic of a true earthworm. The species is
parthenogenetic Parthenogenesis (; from the Greek + ) is a natural form of asexual reproduction in which the embryo develops directly from an egg without need for fertilization. In animals, parthenogenesis means the development of an embryo from an unfertiliz ...
and all known specimens have been female. xxx + 1,033 pp. The
specific name Specific name may refer to: * in Database management systems, a system-assigned name that is unique within a particular database In taxonomy, either of these two meanings, each with its own set of rules: * Specific name (botany), the two-part (bino ...
is a Latinized form of the word
Brahmin Brahmin (; ) is a ''Varna (Hinduism), varna'' (theoretical social classes) within Hindu society. The other three varnas are the ''Kshatriya'' (rulers and warriors), ''Vaishya'' (traders, merchants, and farmers), and ''Shudra'' (labourers). Th ...
. No
subspecies In Taxonomy (biology), biological classification, subspecies (: subspecies) is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (Morphology (biology), morpholog ...
are currently recognized as being valid.


Description

Adults of ''I. braminus'' measure long, uncommonly to , making it the smallest known
snake Snakes are elongated limbless reptiles of the suborder Serpentes (). Cladistically squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales much like other members of the group. Many species of snakes have s ...
species. The head and tail are superficially similar as the head and neck are indistinct. Unlike other snakes, the head scales resemble the body scales. The eyes are barely discernible as small dots under the head scales. The tip of the tail has a small, pointed spur. Along the body are fourteen rows of
dorsal scales In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...
. Coloration ranges from charcoal gray, silver-gray, light yellow-beige, purplish, or infrequently albino, the ventral surface more pale. Coloration of the juvenile form is similar to that of the adult. Behavior ranges from lethargic in appropriate habitat to energetic, quickly seeking the cover of soil or
leaf litter Plant litter (also leaf litter, tree litter, soil litter, litterfall, or duff) is dead plant material (such as leaves, bark, needles, twigs, and cladodes) that has fallen to the ground. This detritus or dead organic material and its constituen ...
to avoid light.Brahminy Blind Snake
at th
Florida State Museum of Natural History
Accessed 30 August 2007.
The tiny eyes are covered with
translucent In the field of optics, transparency (also called pellucidity or diaphaneity) is the physical property of allowing light to pass through the material without appreciable light scattering by particles, scattering of light. On a macroscopic scale ...
scales Scale or scales may refer to: Mathematics * Scale (descriptive set theory), an object defined on a set of points * Scale (ratio), the ratio of a linear dimension of a model to the corresponding dimension of the original * Scale factor, a number ...
, rendering this snake almost entirely blind. The eyes cannot form images, but are still capable of registering light intensity.


Common names

''I. braminus'' is variously known as the brahminy blind snake, flowerpot snake, common blind snake, island blind snake, teliya snake, and Hawaiian blind snake. The moniker "flowerpot snake" derives from the snake's incidental introduction to various parts of the world through the plant trade. "Kurudi" is the common Malayalam term which refers to ''I. braminus''. "Sirupaambu" is the common Tamil term which refers to ''I. braminus''.


Distribution

Most likely originally native to Africa and Asia, ''I. braminus'' is an introduced species in many parts of the world, including
Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
, the
Americas The Americas, sometimes collectively called America, are a landmass comprising the totality of North America and South America.''Webster's New World College Dictionary'', 2010 by Wiley Publishing, Inc., Cleveland, Ohio. When viewed as a sing ...
, and
Oceania Oceania ( , ) is a region, geographical region including Australasia, Melanesia, Micronesia, and Polynesia. Outside of the English-speaking world, Oceania is generally considered a continent, while Mainland Australia is regarded as its co ...
. The vertical distribution is from sea level to in
Sri Lanka Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka, also known historically as Ceylon, is an island country in South Asia. It lies in the Indian Ocean, southwest of the Bay of Bengal, separated from the Indian subcontinent, ...
and up to in
Guatemala Guatemala, officially the Republic of Guatemala, is a country in Central America. It is bordered to the north and west by Mexico, to the northeast by Belize, to the east by Honduras, and to the southeast by El Salvador. It is hydrologically b ...
. The type locality given is " Vishakhapatam" nowiki/>India">India.html" ;"title="nowiki/>India">nowiki/>India


Native range

In Africa, ''I. braminus'' has been reported in Uganda, DRC, Egypt, Kenya, Senegal, Benin, Togo, Nigeria, Ivory Coast, Cameroon, Zambia, Zimbabwe, Somalia, Zanzibar, Tanzania, Mozambique, South Africa (an isolated colony in
Cape Town Cape Town is the legislature, legislative capital city, capital of South Africa. It is the country's oldest city and the seat of the Parliament of South Africa. Cape Town is the country's List of municipalities in South Africa, second-largest ...
and Natal Midlands; about eight have been found in
Lephalale Lephalale, formerly known as Ellisras, is a coal mining town in the Limpopo province of South Africa immediately east of the Waterberg Coalfield. The town was established as Ellisras in 1960 and named after Patrick Ellis and Piet Erasmus who sett ...
,
Limpopo Province Limpopo () is the northernmost province of South Africa. It is named after the Limpopo River, which forms the province's western and northern borders. The term Limpopo is derived from Rivombo (Livombo/Lebombo), a group of Tsonga settlers ...
at the Medupi Power Station during construction),
Madagascar Madagascar, officially the Republic of Madagascar, is an island country that includes the island of Madagascar and numerous smaller peripheral islands. Lying off the southeastern coast of Africa, it is the world's List of islands by area, f ...
( Nossi Be), the
Comoro Islands The Comoro Islands are a group of volcanic islands in the Mozambique Channel, an arm of the Indian Ocean lying between Madagascar and the African mainland. Three of the islands form the Union of the Comoros, a sovereign nation, while Mayotte bel ...
,
Mauritius Mauritius, officially the Republic of Mauritius, is an island country in the Indian Ocean, about off the southeastern coast of East Africa, east of Madagascar. It includes the main island (also called Mauritius), as well as Rodrigues, Ag ...
, the
Mascarene Islands The Mascarene Islands (, ) or Mascarenes or Mascarenhas Archipelago is a group of islands in the Indian Ocean east of Madagascar consisting of islands belonging to the Republic of Mauritius as well as the French department of Réunion. Their na ...
and the
Seychelles Seychelles (, ; ), officially the Republic of Seychelles (; Seychellois Creole: ), is an island country and archipelagic state consisting of 155 islands (as per the Constitution) in the Indian Ocean. Its capital and largest city, Victoria, ...
. It has also been found in
Libya Libya, officially the State of Libya, is a country in the Maghreb region of North Africa. It borders the Mediterranean Sea to the north, Egypt to Egypt–Libya border, the east, Sudan to Libya–Sudan border, the southeast, Chad to Chad–L ...
. In Asia, it occurs in the
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,
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,
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,
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,
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
,
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,
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, mainland
India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...
(as well as the
Andaman Islands The Andaman Islands () are an archipelago, made up of 200 islands, in the northeastern Indian Ocean about southwest off the coasts of Myanmar's Ayeyarwady Region. Together with the Nicobar Islands to their south, the Andamans serve as a mari ...
, the
Nicobar Islands The Nicobar Islands are an archipelago, archipelagic island chain in the eastern Indian Ocean. They are located in Southeast Asia, northwest of Aceh on Sumatra, and separated from Thailand to the east by the Andaman Sea. Located southeast of t ...
, and the
Lakshadweep Islands Lakshadweep () is a union territory of India. It is an archipelago of 36 islands divided into three island subgroups: the Amindivi Islands in the north, the Laccadive Islands (separated from Amindivi roughly by the 11th parallel north), and ...
, where it is the only snake reported), the
Maldives The Maldives, officially the Republic of Maldives, and historically known as the Maldive Islands, is an Archipelagic state, archipelagic country in South Asia located in the Indian Ocean. The Maldives is southwest of Sri Lanka and India, abou ...
, Sri Lanka,
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,
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,
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
, the
Malay Peninsula The Malay Peninsula is located in Mainland Southeast Asia. The landmass runs approximately north–south, and at its terminus, it is the southernmost point of the Asian continental mainland. The area contains Peninsular Malaysia, Southern Tha ...
,
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,
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,
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,
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, southern
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(including
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),
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,
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, and
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(in the
Ryukyu Islands The , also known as the or the , are a chain of Japanese islands that stretch southwest from Kyushu to Geography of Taiwan, Taiwan: the Ryukyu Islands are divided into the Satsunan Islands (Ōsumi Islands, Ōsumi, Tokara Islands, Tokara and A ...
of Okinawashima and Miyakoshima). In
Maritime Southeast Asia Maritime Southeast Asia comprises the Southeast Asian countries of Brunei, Indonesia, Malaysia, the Philippines, Singapore, and East Timor. The terms Island Southeast Asia and Insular Southeast Asia are sometimes given the same meaning as ...
, it occurs on
Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...
and nearby islands (the
Riau Archipelago The Riau Archipelago is a ''geographic'' term (as opposed to administrative region) for the core group of islands within the Riau Islands Province in Indonesia, and located south of Singapore and east of Riau on Sumatra. Before the province of Ri ...
, Bangka,
Belitung Belitung (Belitung Malay: ''Belitong'', formerly Billiton) is an island on the east coast of Sumatra, Indonesia in the Java Sea. It covers (including offshore islands such as Mendanau Island), and had a population of 309,097 at the 2020 Cen ...
and
Nias Nias (, Nias: ''Tanö Niha'') is an island located off the western coast of Sumatra, Indonesia. Nias is also the name of the archipelago () of which the island is the centre, but also includes the Batu Islands to the southeast and the small ...
),
Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...
,
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, the
Philippines The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a tot ...
,
Java Java is one of the Greater Sunda Islands in Indonesia. It is bordered by the Indian Ocean to the south and the Java Sea (a part of Pacific Ocean) to the north. With a population of 156.9 million people (including Madura) in mid 2024, proje ...
,
Bali Bali (English:; Balinese language, Balinese: ) is a Provinces of Indonesia, province of Indonesia and the westernmost of the Lesser Sunda Islands. East of Java and west of Lombok, the province includes the island of Bali and a few smaller o ...
,
Flores Flores is one of the Lesser Sunda Islands, a group of islands in the eastern half of Indonesia. Administratively, it forms the largest island in the East Nusa Tenggara Province. The area is 14,250 km2. Including Komodo and Rinca islands ...
,
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, the
Kai Islands The Kai Islands (also Kei Islands) of Indonesia are a group of islands in the southeastern part of the Maluku Islands, located in the province of Maluku (province), Maluku. The Moluccas have been known as the Spice Islands due to regionally sp ...
, the
Aru Islands Aru or ARU may refer to: Education * Alpha Rho Upsilon, a defunct fraternity in the United States * Anglia Ruskin University, a university in England * Ardhi University, a Tanzanian public university Places * Aru Islands Regency, a group of i ...
,
New Guinea New Guinea (; Hiri Motu: ''Niu Gini''; , fossilized , also known as Papua or historically ) is the List of islands by area, world's second-largest island, with an area of . Located in Melanesia in the southwestern Pacific Ocean, the island is ...
( Western Papua and
Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...
),
New Britain New Britain () is the largest island in the Bismarck Archipelago, part of the Islands Region of Papua New Guinea. It is separated from New Guinea by a northwest corner of the Solomon Sea (or with an island hop of Umboi Island, Umboi the Dampie ...
, and
Bougainville Island Bougainville Island (; Tok Pisin: ''Bogenvil'') is the main island of the Autonomous Region of Bougainville, which is part of Papua New Guinea. Its land area is . The highest point is Mount Balbi, on the main island, at . The much smaller Buk ...
. It also occurs in the
Cocos (Keeling) Islands The Cocos (Keeling) Islands (), officially the Territory of Cocos (Keeling) Islands (; ), are an Australian external territory in the Indian Ocean, comprising a small archipelago approximately midway between Australia and Sri Lanka and rel ...
, and on
Christmas Island Christmas Island, officially the Territory of Christmas Island, is an States and territories of Australia#External territories, Australian external territory in the Indian Ocean comprising the island of the same name. It is about south o ...
.


Introduced range

In Australia, ''I. braminus'' occurs in the
Northern Territory The Northern Territory (abbreviated as NT; known formally as the Northern Territory of Australia and informally as the Territory) is an states and territories of Australia, Australian internal territory in the central and central-northern regi ...
near Darwin, and in parts of
Queensland Queensland ( , commonly abbreviated as Qld) is a States and territories of Australia, state in northeastern Australia, and is the second-largest and third-most populous state in Australia. It is bordered by the Northern Territory, South Austr ...
. In Oceania, it occurs on Papua New Guinea,
Palau Palau, officially the Republic of Palau, is an island country in the Micronesia subregion of Oceania in the western Pacific Ocean. The Republic of Palau consists of approximately 340 islands and is the western part of the Caroline Islands ...
,
Guam Guam ( ; ) is an island that is an Territories of the United States, organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. Guam's capital is Hagåtña, Guam, Hagåtña, and the most ...
,
Fiji Fiji, officially the Republic of Fiji, is an island country in Melanesia, part of Oceania in the South Pacific Ocean. It lies about north-northeast of New Zealand. Fiji consists of an archipelago of more than 330 islands—of which about ...
,
Saipan Saipan () is the largest island and capital of the Northern Mariana Islands, an unincorporated Territories of the United States, territory of the United States in the western Pacific Ocean. According to 2020 estimates by the United States Cens ...
, the
Hawaiian Islands The Hawaiian Islands () are an archipelago of eight major volcanic islands, several atolls, and numerous smaller islets in the Pacific Ocean, North Pacific Ocean, extending some from the Hawaii (island), island of Hawaii in the south to nort ...
and
Tahiti Tahiti (; Tahitian language, Tahitian , ; ) is the largest island of the Windward Islands (Society Islands), Windward group of the Society Islands in French Polynesia, an overseas collectivity of France. It is located in the central part of t ...
in
French Polynesia French Polynesia ( ; ; ) is an overseas collectivity of France and its sole #Governance, overseas country. It comprises 121 geographically dispersed islands and atolls stretching over more than in the Pacific Ocean, South Pacific Ocean. The t ...
. In the Americas, it occurs in the
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(
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,
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,
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,
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,
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,
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,
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,
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and
Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...
), western and southern
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,
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,
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,
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,
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and on the
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, as well as the
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. It has also been spotted in the Okanagan in B.C., Canada. In Europe, it has been found in
Spain Spain, or the Kingdom of Spain, is a country in Southern Europe, Southern and Western Europe with territories in North Africa. Featuring the Punta de Tarifa, southernmost point of continental Europe, it is the largest country in Southern Eur ...
(in the
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of
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and
Gran Canaria Gran Canaria (, ; ), also Grand Canary Island, is the third-largest and second-most-populous island of the Canary Islands, a Spain, Spanish archipelago off the Atlantic coast of Northwest Africa. the island had a population of that constitut ...
), in
Italy Italy, officially the Italian Republic, is a country in Southern Europe, Southern and Western Europe, Western Europe. It consists of Italian Peninsula, a peninsula that extends into the Mediterranean Sea, with the Alps on its northern land b ...
(on the island of
Ischia Ischia ( , , ) is a volcanic island in the Tyrrhenian Sea. It lies at the northern end of the Gulf of Naples, about from the city of Naples. It is the largest of the Phlegrean Islands. Although inhabited since the Bronze Age, as a Ancient G ...
), and in
Malta Malta, officially the Republic of Malta, is an island country in Southern Europe located in the Mediterranean Sea, between Sicily and North Africa. It consists of an archipelago south of Italy, east of Tunisia, and north of Libya. The two ...
; it is believed to have been introduced in soil imported with potted plants, and has been labeled potentially invasive to native fauna.


Habitat

Usually, the brahminy blind snake occurs in urban and agricultural areas. This species of snake lives underground in
ant Ants are Eusociality, eusocial insects of the Family (biology), family Formicidae and, along with the related wasps and bees, belong to the Taxonomy (biology), order Hymenoptera. Ants evolved from Vespoidea, vespoid wasp ancestors in the Cre ...
and termite nests. It is also found under logs, moist leaves, stones and humus in wet forest, dry jungle, abandoned buildings, and even city gardens. The distribution and survival of this group of blind snakes directly reflect soil humidity and temperature.


Feeding

The diet of ''I. braminus'' consists of the larvae, eggs, and pupae of ants and termites.


Reproduction

''I. braminus'' is
parthenogenetic Parthenogenesis (; from the Greek + ) is a natural form of asexual reproduction in which the embryo develops directly from an egg without need for fertilization. In animals, parthenogenesis means the development of an embryo from an unfertiliz ...
, and all specimens collected so far have been female. It lays eggs or may bear live young. Up to eight offspring are produced, all female and genetically identical. They are triploid, and it has been proposed that the species be transferred to a new genus as ''Virgotyphlops braminus'' because of its obligate parthenogenetic nature.


See also

* Smallest organisms


References


Further reading

* Nelson Annandale, Annandale N (1906). "Notes on the fauna of a desert tract in southern India. Part I. Batrachians and reptiles, with remarks on the reptiles of the desert region of the North-West Frontier". ''Memoirs of the Asiatic Society of Bengal, Calcutta'' 1: 183–202. * George Albert Boulenger, Boulenger GA (1893). ''Catalogue of the Snakes in the British Museum (Natural History). Volume I., Containing the Families Typhlopidæ'' .... London: Trustees of the British Museum (Natural History). (Taylor and Francis, printers). xiii + 448 pp. + Plates I–XXVIII. (''Typhlops braminus'', pp. 16–17). * François Marie Daudin, Daudin FM (1802). ''Histoire Naturelle, Générale et Particulière des Reptiles. Tome septième'' [Volume 7]. Paris: F. Dufart. 436 pp. * Stephen Blair Hedges, Hedges SB, species:Angela B. Marion, Marion AB, species:Kelly M. Lipp, Lipp KM, species:Julie Marin, Marin J, species:Nicolas Vidal, Vidal N (2014). "A taxonomic framework for typhlopid snakes from the Caribbean and other regions (Reptilia, Squamata)". ''Caribbean Herpetology'' (49): 1-61. (''Indotyphlops braminus'', new combination). * Jones GS, Thomas LA, Wong K (1995). "''Ramphotyphlops braminus'' ". ''Herpetological Review'' 26 (4):210-211. * Edward Frederick Kelaart, Kelaart EF (1854). "Catalogue of reptiles collected in Ceylon". ''Annals and Magazine of Natural History, Second Series'' 13: 137–140. * species:Fred Kraus, Kraus F, Carvalho D (2001). "The Risk to Hawai'i from Snakes". ''Pacific Science'' 55 (4): 409–417
PDF
a
University of Hawai'i press
Accessed 20 April 2008. * species:Ronald Archie Nussbaum, Nussbaum RA (1980). "The brahminy blind snake (''Ramphotyphlops braminus'') in the Seychelles Archipelago: Distribution, variation, and further evidence for parthenogenesis". ''Herpetologica'' 36 (3): 215–221. * James Arthur Oliver, Oliver JA, species:Charles E. Shaw, Shaw CE (1953). "The amphibians and reptiles of the Hawaiian Islands". ''Zoologica, New York'' 38 (5): 65–95. * Mark O'Shea (herpetologist), O'Shea M, Tim Halliday, Halliday T (2002). ''Smithsonian Handbooks: Reptiles and Amphibians''. London: DK Publishing. 256 pp. . * Mizuno T, Kojima Y (2015). "A blindsnake that decapitates its termite prey". ''Journal of Zoology'' 297 (3): 220–224. * Owen R, Bowman DT Jr, Johnson SA (1998). "Geographic Distribution. ''Ramphotyphlops braminus'' ". ''Herpetological Review'' 29 (2): 115. *Palmer DD, Fisher RN (2010). "Geographic Distribution. ''Ramphotyphlops braminus'' ". ''Herpetological Review'' 41 (4): 518. * Thomas LA (1997). "Geographic Distribution. ''Ramphotyphlops braminus'' ". ''Herpetological Review'' 28 (2): 98. * species:Seenapuram Palaniswamy Vijayakumar, Vijayakumar SP, species:Patrick David, David P (2006). "Taxonomy, Natural History, And Distribution Of The Snakes Of The Nicobar Islands (INDIA), Based On New Materials And With An Emphasis On Endemic Species". ''Russian Journal of Herpetology'' 13 (1): 11–40. * Frank Wall (herpetologist), Wall F (1919). "Notes on a collection of Snakes made in the Nilgiri Hills and the adjacent Wynaad". ''Journal of the Bombay Natural History Society'' 26: 552–584. * Van Wallach, Wallach V (1999). "Geographic distribution: ''Ramphotyphlops braminus'' ". ''Herpetological Review'' 30 (4): 236.


External links

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''Ramphotyphlops braminus''
a

Accessed 30 August 2007.

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WildHerps.com
Accessed 30 August 2007.
''R. braminus''
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ThailandSnakes.com
Accessed 22 December 2014.
''Indotyphlops braminus''
at th
Tucson Herpetological Society
{{Taxonbar, from=Q1126153 Indotyphlops Vertebrate parthenogenesis Reptiles of Africa Reptiles of Asia Reptiles of Cambodia Reptiles of China Reptiles of India Snakes of Japan Reptiles of Laos Reptiles of Madagascar Reptiles of Myanmar Reptiles of Pakistan Reptiles of the Philippines Reptiles of Somalia Reptiles of Taiwan Reptiles of Tanzania Reptiles of Thailand Reptiles of Vietnam Reptiles described in 1803 Snakes of Australia Reptiles of the Canary Islands Snakes of China Snakes of Vietnam Snakes of Asia Unisexual animals Reptiles of Borneo Fauna of Christmas Island Taxa named by François Marie Daudin