Cyprinidae

Swamp Minnow

Rhynchocypris percnurus

Eighteen Point Five Centimeters Carp of Japanese Waters

• Tropical
• Circumpolar Arctic
• Regional distribution
• Freshwater fish
• Arctic Ocean
• Pacific Ocean
• East Asia
• Polar regions
• Fusiform
• Medium
• Tropical fish

The lake minnow or swamp minnow (Rhynchocypris percnurus) is a species of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, chubs, true minnows and related fishes. It has a wide but disjunct distribution including parts of Europe (Belarus, Czech Republic, Germany, Lithuania, Poland, Russia, and Ukraine) and Asia (northern China, Japan, Korea, and Siberia). Individuals in this species can grow up to 18.5 cm (7.3 in).