grass carpgrass carp
a large, weed-eating carp (Ctenopharyngodon idella) brought to the U.S. from E Asia to consume the plants in clogged waterways, lakes, etc.; white amur
Origin of grass carpso called from the plants it consumes
A large silvery cyprinid fish (Ctenopharyngodon idella) native to Siberia and China that feeds on vegetation and has been widely introduced to control aquatic weeds. Also called white amur .