Eastern Massasauga Rattlesnake

What You Need to Know

The Eastern Massasauga Rattlesnake (Sistrurus catenatus) is a small- to medium-sized pit viper that occurs in the Great Lakes Basin. It is one of two venomous snake species occurring in the region and the only venomous snake found in Michigan. Explore the links below to learn more.

• Eastern Massasauga Rattlesnake Conservation
• Eastern Massasauga Rattlesnake Threats and Management
• Species Introduction and Ecology
• Eastern Massasauga Rattlesnake (Species Page)