List of activities classified inside the UK SIC Code 03220
- Aquaculture, freshwater
- Salmon and trout fishery (hatchery); freshwater
- Oyster spat production, freshwater
- Oyster fishery, freshwater
- Oyster cultivation, freshwater
- Ornamental fish farming, freshwater
- Mussel production, freshwater
- Lobsterling production, freshwater
- Frog farming
- Freshwater crustaceans, bivalves, other molluscs and other aquatic animals, culture of
- Fish hatcheries, freshwater
- Fish hatcheries and farms service activities, freshwater
- Fish fry production, freshwater
- Fish farming in fresh water, including farming of freshwater ornamental fish
- Fish breeding, freshwater
- Fingerling production, freshwater
- Shrimp production (post-larvae); freshwater