Fish

Grass carp

Ctenopharyngodon idella (Valenciennes, 1844)

Invasive summary

A large herbivorous carp introduced for aquatic vegetation control.

Known impacts

Can reduce aquatic plant cover, affecting habitat, waterfowl, and fish communities.

Management notes

Management focuses on sterile stocking rules, monitoring, removal, and preventing reproduction.

Native range

East Asia

Regions where reported

  • CA - 40 public points
  • MX - 40 public points
  • US - 40 public points