---
title: "Eastern Massasauga"
description: "Sistrurus catenatus — Répteis. The eastern massasauga (Sistrurus catenatus) is a species of rattlesnake found in eastern North America, from southern Ontario, Canada, eastern regions of the Midwestern states, and parts of the Great Lakes region in the United States."
canonical: https://animalchecklist.com/pt/animal/eastern-massasauga
last_updated: 2026-09-20
---

# Eastern Massasauga

> Sistrurus catenatus — Répteis. The eastern massasauga (Sistrurus catenatus) is a species of rattlesnake found in eastern North America, from southern Ontario, Canada, eastern regions of the Midwestern states, and parts of the Great Lakes region in the United States.

- Scientific name: *Sistrurus catenatus*
- Category: `reptiles` (Répteis)
- Habitats: unknown
- iNaturalist observations: 5548
- Wikidata: [Q1371648](https://www.wikidata.org/wiki/Q1371648)
- iNaturalist taxon: [520469](https://www.inaturalist.org/taxa/520469)

## Names

- en: Eastern Massasauga
- de: Ketten-Klapperschlange
- es: Víbora-cascabel pigmea-norteña
- fr: Massasauga
- nl: Massasauga

## Countries with the most observations

CA (3885), US (479)

## Summary

The eastern massasauga (Sistrurus catenatus) is a species of rattlesnake found in eastern North America, from southern Ontario, Canada, eastern regions of the Midwestern states, and parts of the Great Lakes region in the United States. Like all rattlesnakes, it is a pit viper and is venomous; it is the only species of venomous snake in Ontario.

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Eastern_massasauga

## Photo

![Eastern Massasauga](https://animalchecklist.com/img/animals/eastern-massasauga/medium.jpg)

Photo: hyzq25 · CC0 · inaturalist — https://www.inaturalist.org/observations/306977643

## Machine access

`GET https://animalchecklist.com/api/v1/animals/eastern-massasauga?lang=pt` — see [openapi.json](https://animalchecklist.com/openapi.json).