''Squalidus gracilis'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
cyprinid
Cyprinidae is a family of freshwater fish commonly called the carp or minnow family. It includes the carps, the true minnows, and relatives like the barbs and barbels. Cyprinidae is the largest and most diverse fish family and the largest verte ...
fish found in Japan and the Korean peninsula.
References
Squalidus
Taxa named by Coenraad Jacob Temminck
Taxa named by Hermann Schlegel
Fish described in 1846
{{Cyprinidae-stub