Complex sentence: The banded water snake or southern water snake ("Nerodia fasciata") is a species of mostly aquatic, nonvenomous, colubrid snake found in the central and southeastern United States, from Indiana, south to Texas and east to Florida.
Split into simpler sentences: The banded water snake or southern water snake ("Nerodia fasciata") is a species of mostly aquatic, nonvenomous, colubrid snake endemic to the central and southeastern United States. It is found from Indiana, south to Texas and east to Florida.