Farancia is a genus of colubrid snakes. 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.
Adult specimens of Farancia species are usually to 36-54 inches (92-137 cm) in total length (including tail). They are usually dark brown or black dorsally, with a brightly colored underside that is red or orange. Rainbow snakes exhibit red striping down their backs.
The snakes of this genus are typically semi-aquatic, living in the muddy edges of slow moving, permanent water sources.
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.
Species and subspecies
- Farancia abacura - Texas, Arkansas, Louisiana, Mississippi, Alabama, Georgia, Florida, North and South Carolina, Virginia, Tennessee, Missouri, Illinois, and Kentucky.
- Farancia erytrogramma - Louisiana, Mississippi, Alabama, Georgia, Florida, North and South Carolina, Virginia, and Maryland.
- Goin CJ, Goin OB, Zug GR (1978). Introduction to Herpetology, Third Edition. San Francisco: W.H. Freeman and Company. xi + 378 pp. ISBN 0-7167-0020-4. (Genus Farancia, p. 323).
- Gray JE (1842). "Monographic Synopsis of the Water Snakes, or the Family HYDRIDÆ". Zoological Miscellany : 59-68. (Farancia, new genus, p. 68).
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