Gudgeon (fish)
Common name for several species of fish / From Wikipedia, the free encyclopedia
For the species called gudgeon, see Gobio gobio.
Gudgeon is the common name for a miniature barbel and a number of small freshwater fish of the families Butidae, Cyprinidae, Eleotridae or Ptereleotridae. Most gudgeons are elongate, bottom-dwelling fish, many of which live in rapids and other fast moving water.