noun
grass carp
Refers specifically to the species Ctenopharyngodon idellus, a freshwater fish often used for aquatic weed control.
ソウギョは水草を食べることで知られている。
Grass carp are known for eating aquatic plants.
The Japanese name ソウギョ (草魚) literally means 'grass fish', referring to its diet of aquatic vegetation.