Pfeffer's reed snakePfeffer's reed snake is a species of dwarf snake in the family Colubridae. The species is endemic to Japan.EtymologyThe specific name, pfefferi, is in honor of German zoologist Georg Johann Pfeffer.Geographic rangeC. pfefferi is found on Miyako-jima and Irabu-jima in the Ryukyu Islands of Japan.HabitatThe preferred habitats of C. pfefferi are grassland and forest.ReproductionC. pfefferi is oviparous.