---
title: "Diamondback Watersnake"
description: "Nerodia rhombifer — Reptiles. 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."
canonical: https://animalchecklist.com/animal/diamondback-watersnake
last_updated: 2026-09-20
---

# Diamondback Watersnake

> Nerodia rhombifer — Reptiles. 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.

- Scientific name: *Nerodia rhombifer*
- Category: `reptiles` (Reptiles)
- Habitats: `freshwater` (Lakes & rivers)
- iNaturalist observations: 15275
- Wikidata: [Q3024773](https://www.wikidata.org/wiki/Q3024773)
- iNaturalist taxon: [29310](https://www.inaturalist.org/taxa/29310)

## Names

- en: Diamondback Watersnake
- de: Rauten-Schwimmnatter
- es: Culebra de agua de espalda de diamantes

## Countries with the most observations

US (14246), MX (362)

## Summary

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.

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

## Photo

![Diamondback Watersnake](https://animalchecklist.com/img/animals/diamondback-watersnake/medium.jpg)

Photo: G Key · CC0 · inaturalist — https://www.inaturalist.org/observations/63583388

## Machine access

`GET https://animalchecklist.com/api/v1/animals/diamondback-watersnake?lang=en` — see [openapi.json](https://animalchecklist.com/openapi.json).