The Georgian bitterling (''Rhodeus colchicus'') is a

temperate In geography, the temperate climates of Earth occur in the middle latitudes (approximately 23.5° to 66.5° N/S of the Equator), which span between the tropics and the polar regions of Earth. These zones generally have wider temperature ran ...

freshwater Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include non-salty mi ...

ray-finned fish Actinopterygii (; ), members of which are known as ray-finned fish or actinopterygians, is a class of bony fish that comprise over 50% of living vertebrate species. They are so called because of their lightly built fins made of webbings of sk ...

belonging to the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Acheilognathidae The bitterling-like cyprinids form the cyprinoid family Acheilognathidae. This subfamily contains seven genera, although the Khanka spiny bitterling is often placed in ''Acheilognathus'', and at least 75 described species to date. Over half of t ...

, the bitterlings. It originates in the western portion of the

Transcaucasia The South Caucasus, also known as Transcaucasia or the Transcaucasus, is a geographical region on the border of Eastern Europe and West Asia, straddling the southern Caucasus Mountains. The South Caucasus roughly corresponds to modern Armenia, ...

region of

Georgia Georgia most commonly refers to: * Georgia (country), a country in the South Caucasus * Georgia (U.S. state), a state in the southeastern United States Georgia may also refer to: People and fictional characters * Georgia (name), a list of pe ...

. It was originally described by

Nina Gidalevna Bogutskaya Nina may refer to: * Nina (name), a feminine given name and surname Acronyms * National Iraqi News Agency, a news service in Iraq *Norwegian Institute for Nature Research, on the campus of Norwegian University of Science and Technology * No incom ...

and Alexey Mikhailovich Komlev in 2001. It reaches a maximum size of 6.8 cm (2.7 in).

References

Georgian bitterling Fish of Georgia (country) Taxa named by Nina Gidalevna Bogutskaya Taxa named by Alexey Mikhailovich Komlev Georgian bitterling {{Acheilognathinae-stub