Water Moccasin (Agkistrodon piscivorus): Venomous, known for its aggressive nature.
Broad-Banded Water Snake (Nerodia fasciata confluens): Non-venomous, often confused with venomous species.
Diamondback Water Snake (Nerodia rhombifer): Non-venomous, distinct diamond pattern.
Gulf Salt Marsh Snake (Nerodia clarkii clarkii): Non-venomous, typically found in coastal areas.
Red-Bellied Watersnake (Nerodia erythrogaster): Non-venomous, vivid red belly.
Mississippi Green Water Snake (Nerodia cyclopion): Non-venomous, greenish-brown coloring, often found near water bodies in the Sabine River region