Aquaculture is defined as the breeding, rearing and harvesting of fish, shellfish, plants, algae and other organisms in all types of water environments. (National Ocean Service)

The two types of aquaculture are marine, farming species in the ocean, and freshwater, farming species in freshwaters.

Marine aquaculture includes oysters, clams, mussels, shrimp, salmon and algae. It only makes up 20% of US production and consists mainly of shellfish.

Freshwater aquaculture is made up of trout, catfish and tilapia. Seventy percent of US aquaculture is freshwater farming of trout and catfish. A small amount of US farms grow salmon, found in Maine and Washington, and yellowtail, found in Hawaii.

Read the full article on the American Farm Bureau Federation website.