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#1657 · 🦎 reptiles

Diamondback Watersnake

Nerodia rhombifer

LCleast concern 🦎 Reptiles 📍 outside Europe
Diamondback Watersnake, photo 1 of 9
1/9 © Diana-Terry Hibbitts · CC BY-NC 4.0

what is it?

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.

base stats

  • NL sightings 0iNaturalist, research grade
  • worldwide 15,405iNaturalist observations
  • threat LCleast concern

Bars compare against all animals on log scales: up to 300,000 Dutch and 600,000 worldwide sightings (the most-seen species), 150 t (blue whale), 30 m and 400 years (Greenland shark).

fun facts

  • No confirmed wild sightings in the Netherlands on iNaturalist: you'd have to travel for this one.
  • 15,405 observations worldwide on iNaturalist.
  • Scientifically named by Edward Hallowell in 1852 (174 years ago).

fact sheet

English
Diamondback Watersnake
scientific name
Nerodia rhombifer
class
Reptilia
order
Squamata
family
Colubridae
IUCN Red List
LC · least concern
sightings in NL
0
sightings worldwide
15,405
GBIF records in NL
0
weight
—
length
—
lifespan
—
named
1852 by Edward Hallowell

IUCN in Dutch: niet bedreigd. Blank means the sources don't say.

relatives· Colubridae

Sources: iNaturalist taxon 29310, Wikidata Q3024773, GBIF 5223342, Wikipedia (EN). Intro text from Wikipedia (CC BY-SA 4.0).Updated 2026-10-24.

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