GEKKO JAPONICUS (Schlegel’s Japanese Gecko).

The article reports a novel marine snail as a prey item in the diet of Gecko (G.) japonicus (Schlegel's Japanese gecko). Topics discussed include the collection of a female G. japonicus from a rift of bedrock on the coast of Misaki-cho, Sennan-gun, Osaka Prefecture, Japan on June 3, 2018, comparison between coastal marine gastropods and freshwater and terrestrial snails, and hypothesis on why G. japonicus ingested the small pebbles.