The Varna gudgeon (''Gobio kovatschevi'') is a species of

gudgeon A gudgeon is a socket-like, cylindrical (i.e., ''female'') fitting attached to one component to enable a pivoting or hinging connection to a second component. The second component carries a pintle fitting, the male counterpart to the gudgeon, ...

, a small freshwater in the family

Cyprinidae 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 ...

. It is endemic to the Provadiskaya River in Bulgaria.

References

* {{Taxonbar, from=Q5825676 Gobio Fish described in 1937 Freshwater fish of Europe Endemic fauna of Bulgaria