Grass Carp
Ctenopharyngodon idella
- Least concern
- Card rarity: Common
- Fish

The grass carp is a species of large herbivorous freshwater fish in the family Cyprinidae, native to the Pacific Far East, with a native range stretching from northern Vietnam to the Amur River on the Sino-Russian border. This Asian carp is the only species of the genus Ctenopharyngodon.
Classification
- Class
- Actinopterygii
- Order
- Cypriniformes
- Family
- Xenocyprididae
- Genus
- Ctenopharyngodon