Banded water snake
Introduction


[thumb\|A *Nerodia fasciata* attempting to prey on a [parvalbumin](/wiki/Parvalbumin "Parvalbumin")\-coated lure. Parvalbumin is involved in prey signaling.](/wiki/File:Chemical-Basis-of-Prey-Recognition-in-Thamnophiine-Snakes-The-Unexpected-New-Roles-of-Parvalbumins-pone.0039560.s001.ogv "Chemical-Basis-of-Prey-Recognition-in-Thamnophiine-Snakes-The-Unexpected-New-Roles-of-Parvalbumins-pone.0039560.s001.ogv")
[thumb\|An unusual reddish specimen of banded water snake.](/wiki/File:Nerodia_fasciata_CDC.png "Nerodia fasciata CDC.png")

The **banded water snake** or **southern water snake** (***Nerodia fasciata***) is a [species](/wiki/Species "Species") of mostly aquatic, nonvenomous, [colubrid](/wiki/Colubrid "Colubrid") snakes most commonly found in the [Midwest](/wiki/Central_United_States "Central United States"), Southeastern United States.


In what region are the banded water snakes typically located?