Saltmarsh Watersnake - Nerodia clarkii

Saltmarsh Snake

*The colored areas of the map above represent parishes with currently known records for the given species
 (Source: Jeff Boundy, LA Dept. of Wildlife and Fisheries). By no means does it represent the full range of the species in the state, nor does it necessarily mean that a species can be found throughout the parish with the record. This is provided as a guide to where you might be able to find these species in the state and to aid in identification. A descriptive explanation of the range of each species can be found in the text below.

Other Common Names: Saltmarsh Watersnake

Subspecies: Only the Gulf Saltmarsh Watersnake, Nerodia clarkii clarkii, occurs within Louisiana in coastal parishes.


Similar Species: 

Species Range: 

Louisiana Range:  Coastal Parishes.


Natural History: 

Best Time and Place to Observe:

Global Conservation Status:  Saltmarsh Watersnakes are listed as Least Concern by the IUCN Red List. Their NatureServe Global Conservation Status Rank is G4 (Apparently Secure).

Federal Conservation Status:  None

Louisiana Conservation Status:  Saltmarsh Watersnakes have a ranking of S3S4 (rare and local throughout the state – 21-100 known extant populations / apparently secure in Louisiana with many occurrences - 100 to 1000 known extant populations) in Louisiana.

Author's Remarks: I have only observed this species twice alive in the wild, both on the shore of Lake Saint Catherine in Orleans Parish, LA, in Summer 2013 and Spring 2015. I also found a freshly killed individual on the road near Intracoastal City, LA (Vermilion Parish) years prior to finding my first one in Louisiana.

All images on site are sole property of B.M. Glorioso. To use any images on this site please contact me at: © 2020