''Erythrolamprus aesculapii'', also known commonly as the Aesculapian false coral snake, the South American false coral snake, and in Portuguese as ''bacorá'', or ''falsa-coral'', is a

species In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...

of mildly

venomous snake Venomous snakes are species of the suborder Serpentes that are capable of producing venom, which they use for killing prey, for defense, and to assist with digestion of their prey. The venom is typically delivered by injection using hollow or g ...

in the

family Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...

Colubridae. The species 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 else ...

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the sout ...

. Freiberg M (1982). ''Snakes of South America''. Hong Kong: T.F.H. Publications. 189 pp. . (''Erythrolamprus aesculapii'', pp. 66, 98, 132 + photograph on p. 42 + line drawing of head scalation on p. 67).

Etymology

The specific name, ''aesculapii'', refers to Aesculapius, the Greek mythological god of medicine, who is depicted with a snake-entwined staff.

Geographic range

''E. aesculapii'' is found in the Amazon rainforest of

. It is also found on the island of

Trinidad Trinidad is the larger and more populous of the two major islands of Trinidad and Tobago. The island lies off the northeastern coast of Venezuela and sits on the continental shelf of South America. It is often referred to as the southernmos ...

(in the Republic of Trinidad and Tobago).

Habitat and behavior

''E. aesculapii'' is often found in the

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 have fallen to the ground. This detritus or dead organic material and its constituent ...

or burrowing in the

soil Soil, also commonly referred to as earth or dirt Dirt is an unclean matter, especially when in contact with a person's clothes, skin, or possessions. In such cases, they are said to become dirty. Common types of dirt include: * Debri ...

rain forests Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainforest, ...

, at altitudes from sea level to .

Diet

''E. aesculapii'' feeds mainly on other snakes, including venomous species.

Venom

''E. aesculapii'' is mildly venomous.

Mimicry

The brightly colored, ringed patterns of snakes of the

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

Erythrolamprus ''Erythrolamprus'' is a genus of colubrid snakes, commonly known as false coral snakes, native to Central America, the Caribbean, and the northern part of South America. They appear to be coral snake mimics. Species These species are currently ...

'' resemble those of sympatric coral snakes of the genus ''

Micrurus ''Micrurus'' is a genus of venomous coral snakes of the family Elapidae. Geographic range Species in the genus ''Micrurus'' are endemic to the Americas. Species The following 83 species are recognized as being valid. *'' Micrurus albicinctus'' ...

'', and it has been suggested that this is due to mimicry. Whether this is classical Batesian mimicry, classical

Müllerian mimicry Müllerian mimicry is a natural phenomenon in which two or more well-defended species, often foul-tasting and sharing common predators, have come to mimic each other's honest warning signals, to their mutual benefit. The benefit to Mülleria ...

, a modified form of Müllerian mimicry, or no mimicry at all, remains to be proven. Goin CJ, Goin OB, Zug GR (1978). ''Introduction to Herpetology, Third Edition''. San Francisco: W.H. Freeman. xi + 378 pp. . (Mimicry in ''Erythrolamprus'', p. 159).

Subspecies

The following four subspecies are recognized as being valid, including the

nominotypical subspecies In biological classification, subspecies is a rank below species, used for populations that live in different areas and vary in size, shape, or other physical characteristics (morphology), but that can successfully interbreed. Not all species ...

: *'' Erythrolamprus aesculapii aesculapii'' (

Linnaeus Carl Linnaeus (; 23 May 1707 – 10 January 1778), also known after his ennoblement in 1761 as Carl von Linné Blunt (2004), p. 171. (), was a Swedish botanist, zoologist, taxonomist, and physician who formalised binomial nomenclature, the ...

, 1758) –

Amazon River Basin The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about , or about 35.5 percent of the South American continent. It is located in the countries of Bolivi ...

*'' Erythrolamprus aesculapii monozonus''

Jan Jan, JaN or JAN may refer to: Acronyms * Jackson, Mississippi (Amtrak station), US, Amtrak station code JAN * Jackson-Evers International Airport, Mississippi, US, IATA code * Jabhat al-Nusra (JaN), a Syrian militant group * Japanese Article Num ...

, 1863 –

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

(

Bahia Bahia ( , , ; meaning "bay") is one of the 26 states of Brazil, located in the Northeast Region of the country. It is the fourth-largest Brazilian state by population (after São Paulo, Minas Gerais, and Rio de Janeiro) and the 5th-largest b ...

state to

Rio de Janeiro Rio de Janeiro ( , , ; literally 'River of January'), or simply Rio, is the capital of the state of the same name, Brazil's third-most populous state, and the second-most populous city in Brazil, after São Paulo. Listed by the GaWC as a ...

state) *'' Erythrolamprus aesculapii tetrazonus'' Jan, 1863 – southwestern Bolivia *'' Erythrolamprus aesculapii venustissimus'' ( Wied, 1821) – eastern Bolivia to southeastern Brazil and northeastern

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...