Grass carp can eat 3 times their body weight every single day.

Grass carp can be a great management tool to control vegetation in your pond or lake. Grass carp can be stocked 10 per vegetated acre of water.  This is not to be mistaken for 10 per acre of water.  Some states require Triploid Grass Carp, which are rendered sterile.  Some states require permits before Grass Carp can be purchased.  Grass Carp do not pull vegetation out from the root.  The vegetation is gets sucked through the back of the mouth where the teeth cuts it off to maintain it. This is the reason grass carp do normally muddy ponds or lakes.  Grass Carp can grow 2 to an almost unbelievable 5 pounds per season.  Grass Carp will need to be restocked about every 7 years. Grass Carp have a forward facing mouth..  Not to be mistaken by common carp which face downward..