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The common watersnake is common over most of its range and is frequently seen basking on stream banks, from which it dives into the water at the slightest disturbance. "Water snakes are highly aquatic, spending nearly all their time either on the surface of the water or on substrate just above or beside the water". [24]
Nerodia is a genus of nonvenomous colubrid snakes commonly referred to as water snakes due to their aquatic behavior. The genus includes nine species , all native to North America . Five of the species have recognized subspecies .
A Nerodia fasciata attempting to prey on a parvalbumin-coated lure.Parvalbumin is involved in prey signaling. [5] An unusual reddish specimen of banded water snake. The banded water snake or southern water snake (Nerodia fasciata) is a species of mostly aquatic, nonvenomous, colubrid snakes most commonly found in the Midwest, Southeastern United States.
Nerodia erythrogaster, also known as the plain-bellied water snake or plainbelly water snake, is a common species of semi-aquatic, non-venomous colubrid snake endemic to the United States. Description
The brown water snake (Nerodia taxispilota) is a large species of nonvenomous natricine snake endemic to the southeastern United States.This snake is often one of the most abundant species of snakes found in rivers and streams of the southeastern United States, yet many aspects of its natural history are poorly known.
Nerodia rhombifer, commonly known as the diamondback water snake, is a species of nonvenomous natricine colubrid endemic to the central United States and northern Mexico. There are three recognized subspecies of N. rhombifer , including the nominotypical subspecies .
Round Gobies are also a primary meal choice for Lake Erie water snakes (Nerodia sipedon insularum). Yet in smaller rivers and ponds where some Great Lake fish and snakes are not found, gobies are ...
Nerodia sipedon pleuralis H.M. Smith & Brodie, 1982 [ 4 ] The midland water snake ( Nerodia sipedon pleuralis ), a subspecies of the northern water snake ( Nerodia sipedon ), is a nonvenomous natricine snake , which is endemic to North America .