Adelophis copei

Adelophis copei is a vulnerable species of snake in the family Colubridae. The species was originally described by Alfredo Dugès in 1897, and is endemic to Mexico. It is the type species of the genus "Adelophis" .
Etymology.
The generic name, "Adelophis", is from the Greek words "adēlos" meaning "uncertain" or "obscure" and "ophis" meaning "snake", together referring to Dugès' uncertainty of the taxonomic placement of the genus. The specific name, "copei", is in honor of American herpetologist and paleontologist Edward Drinker Cope.
Description.
"Adelophis copei" is a small and moderately slender snake that has a maximum total length (including tail) of . The tail is about one fifth of the total length.
Habitat and geographic range.
"Adelophis copei" lives in the wetlands of west-central Mexico, in such areas in the Mexican states of Jalisco, Michoacán, Guanajuato, Hidalgo, and northern Morelos.
Conservation status.
"Adelophis copei" is threatened by habitat loss due to agriculture and human settlement. Mexico has placed national laws protecting the species, and the species is being researched for more ways to protect it. It is protected in the Sierra Los Huicholes reserve.
Further reading.
Dugès A (1879). "In": Cope ED (1879). "Eleventh Contribution to the Herpetology of Tropical America". "Proc. American Philosoph. Soc." 18: 261-277. ("Adelophis copei", new species, pp. 265–266).