Farancia
Encyclopedia
Farancia is a genus
of colubrid
snake
s. It consists of two species
, one commonly referred to as the rainbow snake and the other commonly referred to as the mud snake. They are native to the eastern half of the United States
.
or black
with a brightly colored underside that is red
or orange
. Rainbow snakes exhibit red striping down their back.
s, eel
s, and siren
s. Breeding occurs in early spring, and eggs
are laid in a burrow near the water in early summer. The clutch incubates between 8–12 weeks, and hatches in mid-autumn.
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...
of colubrid
Colubrid
A colubrid is a member of the snake family Colubridae. This broad classification of snakes includes about two-thirds of all snake species on earth. The earliest species of the snake family date back to the Oligocene epoch. With 304 genera and 1,938 species, Colubridae is the largest snake family...
snake
Snake
Snakes are elongate, legless, carnivorous reptiles of the suborder Serpentes that can be distinguished from legless lizards by their lack of eyelids and external ears. Like all squamates, snakes are ectothermic, amniote vertebrates covered in overlapping scales...
s. It consists of two species
Species
In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring. While in many cases this definition is adequate, more precise or differing measures are...
, one commonly referred to as the rainbow snake and the other commonly referred to as the mud snake. They are native to the eastern half of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
.
Description
Farancia species can grow to a length of 30-54 inches. They are usually uniform dark brownBrown
Brown is a color term, denoting a range of composite colors produced by a mixture of orange, red, rose, or yellow with black or gray. The term is from Old English brún, in origin for any dusky or dark shade of color....
or black
Black
Black is the color of objects that do not emit or reflect light in any part of the visible spectrum; they absorb all such frequencies of light...
with a brightly colored underside that is red
Red
Red is any of a number of similar colors evoked by light consisting predominantly of the longest wavelengths of light discernible by the human eye, in the wavelength range of roughly 630–740 nm. Longer wavelengths than this are called infrared , and cannot be seen by the naked eye...
or orange
Orange (colour)
The colour orange occurs between red and yellow in the visible spectrum at a wavelength of about 585–620 nm, and has a hue of 30° in HSV colour space. It is numerically halfway between red and yellow in a gamma-compressed RGB colour space, the expression of which is the RGB colour wheel. The...
. Rainbow snakes exhibit red striping down their back.
Behaviour
The snakes of this genus are typically semi-aquatic. Living in the muddy edges of slow moving, permanent water sources. Their diet consists primarily of amphiumaAmphiuma
Amphiuma is a genus of aquatic salamanders, the only extant genus within the family Amphiumidae . They are also known to fishermen as "conger eels" or "congo snakes", which are zoologically incorrect designations...
s, eel
Eel
Eels are an order of fish, which consists of four suborders, 20 families, 111 genera and approximately 800 species. Most eels are predators...
s, and siren
Siren (amphibian)
Sirenidae, the sirens, is a family of aquatic salamanders. Family members have very small forelimbs, and lack hind limbs altogether. In one species, the skeleton in their forelimbs is made of only cartilage. In contrast to most other salamanders, they have external gills bunched together on the...
s. Breeding occurs in early spring, and eggs
Egg (biology)
An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, an egg is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing...
are laid in a burrow near the water in early summer. The clutch incubates between 8–12 weeks, and hatches in mid-autumn.
Species
- Farancia abacuraFarancia abacuraThe mud snake is a species of nonvenomous, semiaquatic, colubrid snake that is found in the southeastern United States.- Description :...
- TexasTexasTexas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...
, ArkansasArkansasArkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
, LouisianaLouisianaLouisiana is a state located in the southern region of the United States of America. Its capital is Baton Rouge and largest city is New Orleans. Louisiana is the only state in the U.S. with political subdivisions termed parishes, which are local governments equivalent to counties...
, MississippiMississippiMississippi is a U.S. state located in the Southern United States. Jackson is the state capital and largest city. The name of the state derives from the Mississippi River, which flows along its western boundary, whose name comes from the Ojibwe word misi-ziibi...
, AlabamaAlabamaAlabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
, GeorgiaGeorgia (U.S. state)Georgia is a state located in the southeastern United States. It was established in 1732, the last of the original Thirteen Colonies. The state is named after King George II of Great Britain. Georgia was the fourth state to ratify the United States Constitution, on January 2, 1788...
, FloridaFloridaFlorida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...
, NorthNorth CarolinaNorth Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...
and South CarolinaSouth CarolinaSouth Carolina is a state in the Deep South of the United States that borders Georgia to the south, North Carolina to the north, and the Atlantic Ocean to the east. Originally part of the Province of Carolina, the Province of South Carolina was one of the 13 colonies that declared independence...
, VirginiaVirginiaThe Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
, TennesseeTennesseeTennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
, MissouriMissouriMissouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
, IllinoisIllinoisIllinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
, and KentuckyKentuckyThe Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
.- Eastern Mud Snake, Farancia abacura abacura (HolbrookJohn Edwards HolbrookJohn Edwards Holbrook American zoologist, herpetologist, physician, and naturalist, was born in Beaufort, South Carolina, the son of Silas Holbrook, a teacher, and Mary Edwards....
, 1836) - Western Mud Snake, Farancia abacura reinwardtii (SchlegelHermann SchlegelHermann Schlegel was a German ornithologist and herpetologist.-Early life and education:Schlegel was born at Altenburg, the son of a brassfounder. His father collected butterflies, which stimulated Schlegel's interest in natural history...
, 1837)
- Eastern Mud Snake, Farancia abacura abacura (Holbrook
- Farancia erytrogrammaFarancia erytrogrammaFarancia erytrogramma is a large, nonvenomous, highly aquatic, colubrid snake found in coastal plains of the southeastern United States...
- Louisiana, Mississippi, Alabama, Georgia, Florida, North and South Carolina, Virginia, and MarylandMarylandMaryland is a U.S. state located in the Mid Atlantic region of the United States, bordering Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; and Delaware to its east...
.- Rainbow Snake, Farancia erytrogramma erytrogramma (Palisot de BeauvoisPalisot de BeauvoisAmbroise Marie François Joseph Palisot, Baron de Beauvois 27 July 1752 Arras - 21 January 1820 Paris, was a French naturalist.Palisot collected insects in Oware, Benin, Saint Domingue, and the United States, during the period 1786 – 1797. Trained as a botanist, Palisot published a significant...
, 1802) - Florida Rainbow Snake, Farancia erytrogramma seminola (Neill, 1964)
- Rainbow Snake, Farancia erytrogramma erytrogramma (Palisot de Beauvois