Seminatrix
| swamp snake | |
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| swamp snake, Seminatrix pygaea | |
| Scientific classification | |
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| Genus: |
Seminatrix
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| Species: |
S. pygaea
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| Binomial name | |
| Seminatrix pygaea (Cope, 1871)
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| Synonyms | |
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Contia pygaea Cope, 1871 |
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Seminatrix is a genus of colubrid snakes. There is a single species in the genus, the swamp snake (Seminatrix pygaea) with three subspecies:
Contents
Subspecies
- South Florida swamp snake, Seminatrix pygaea cyclas Dowling, 1950
- Carolina swamp snake, Seminatrix pygaea paludis Dowling, 1950
- North Florida swamp snake, Seminatrix pygaea pygaea (Cope, 1871)
Geographic range
Swamp snakes are found in the states of North Carolina, South Carolina, Georgia, Alabama, and Florida on the east coast of the United States. They prefer swampland habitat that is heavily vegetated.
Description
Seminatrix are small, thin snakes, usually 25–38 cm (10-15 in.) long; the record size (reported for S. pygaea) was 55 cm (22 in).[1][2] They are uniformly black, with a bright orange or red belly.
Behavior & diet
Swamp snakes are almost entirely aquatic. They spend most of their time hiding among dense vegetation in tannic cypress swamps. They feed on small fish, tadpoles, frogs, salamanders, sirens, amphiumas, and invertebrates, such as leeches and earthworms.
Reproduction
Seminatrix are ovoviviparous, giving birth to live young directly in shallow water. Unlike many snakes, female Seminatrix feed actively while gravid, suggesting that they may pass nutrients directly on to the young. Broods of 11 to 13 have been observed.[3] Newborns are 11–14 cm (4¼-5⅜ in.).[4]
References
- ↑ Conant, Roger. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Houghton Mifflin. Boston.
- ↑ [1]
- ↑ Schmidt, K.P. and D.D. Davis. 1941. Field Book of Snakes of the United States and Canada. G.P. Putnam's Sons. New York.
- ↑ Conant, Roger. 1975. A Field Guide to Reptiles and Amphibians of Eastern and Central North America. Houghton Mifflin. Boston.
- Florida Museum of Natural History: Online Guide to the Snakes of Florida
- "Black Snakes": Identification and Ecology - University of Florida fact sheet
