Rare. Aquatic. Greenish-brown color. Belly with cream half-circles. Subocular scales. 
Arkansas Herpetological Atlas 2019
This species is represented by 205 records from 18 sources: 180 museum (
), 4 literature (
), 0 research (
), and 19 observation (
), with 2 additional Trauth et al. (2004) locality points remaining unsourced (
). It has been museum vouchered for 20 of 75 counties (), with 2 additional counties having other forms of reported occurrence (). Years of collection range from 1912 to present.
This highly aquatic species has a limited distribution in the South Central Plains and Mississippi Alluvial Plain, with records in association with the following river systems: Arkansas, Little, Mississippi, Ouachita, Saline, and White rivers and Bayou Bartholomew. Records from northwestern Pike County (UAFMC 0068-0735-0688 and 0068-0735-2540 from 1953 and ANHC ARADB22010*020 from 1957) are suspect and warrant reexamination due to the similarities in appearance with Nerodia rhombifer rhombifer.
