Marine aquaculture
What this code covers
Use this class for marine aquaculture when the main activity includes Fish farming in sea water, including farming of marine ornamental fish and Production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings. Check exclusions and nearby codes before applying it to a mixed activity.
Official NACE Rev. 2.1 labels and explanatory notes are imported from the source dataset. Plain-language explanations are shown separately so readers can compare interpretation with the source text.
No child codes; this is a class-level code.
- fish farming in sea water, including farming of marine ornamental fish
- production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings
- growing of seaweed and algae
- culture of crustaceans, bivalves, other molluscs and other aquatic animals in sea water
- frog farming, see 03.22
- operation of sport fishing preserves, see 93.19
- Compare with 03.22, 93.19, 03.2 when the main activity overlaps another code.
- Check national equivalent caveats before using this code for local registration or filing workflows.
- If the main revenue activity appears in an exclusion, compare the alternative code before deciding.
Use this guide as classification support, not legal, tax, filing, or regulatory advice.
- - fish farming in sea water, including farming of marine ornamental fish
- - production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings
- - growing of seaweed and algae
- - culture of crustaceans, bivalves, other molluscs and other aquatic animals in sea water
- - aquaculture activities in brackish waters
- - land-based aquaculture activities in salt water filled tanks and reservoirs
- - operation of marine fish hatcheries and marine worm farms
- - marine microalgae cultivation
- - frog farming, see 03.22
- - operation of sport fishing preserves, see 93.19
- - Fish farming in sea water, including farming of marine ornamental fish
- - Production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings
- - Growing of seaweed and algae
- - Culture of crustaceans, bivalves, other molluscs and other aquatic animals in sea water
- - Frog farming
- - Operation of sport fishing preserves
What is NACE 03.21 used for?
Use NACE 03.21 for marine aquaculture when the main activity matches this scope: Use this class for marine aquaculture when the main activity includes Fish farming in sea water, including farming of marine ornamental fish and Production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings. Check exclusions and nearby codes before applying it to a mixed activity.
What are typical examples for 03.21?
Typical examples include Fish farming in sea water, including farming of marine ornamental fish, Production of bivalve spat (e.g. oyster mussel, etc.), lobsterlings, shrimp post-larvae, fish fry and fingerlings, and Growing of seaweed and algae.
When might 03.21 not be the right code?
Review another code when the activity is closer to frog farming, see 03.22 and operation of sport fishing preserves, see 93.19.
Which codes should I compare before choosing 03.21?
Compare 03.21 with 03.22 Freshwater aquaculture, 93.19 Sports activities n.e.c., and 03.2 Aquaculture when the activity description is ambiguous.
Use this class for freshwater aquaculture when the main activity includes Fish farming in freshwater, including farming of freshwater ornamental fish and Culture of freshwater crustaceans, bivalves, other molluscs and other aquatic animals. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for sports activities n.e.c. when the main activity includes Activities of producers of sporting events, with or without facilities and Activities of individual own account sportspersons and athletes, referees, judges, timekeepers, etc.. Check exclusions and nearby codes before applying it to a mixed activity.
Use this group for aquaculture when the main activity includes Culturing/farming refers to the rearing up to their juvenile and/or adult phase under captive conditions of the above organisms. and Breeding/farming of fry and adults under artificial conditions. Check exclusions and nearby codes before applying it to a mixed activity.
Rev. 2 code 03.21 can map to more than one Rev. 2.1 class: 03.21 Marine aquaculture, 03.30 Support activities for fishing and aquaculture.
Official close match imported from NACE Rev. 2.1.
Datasets, CRM segments, KYC rules, reporting logic, and historical joins may need review because the activity scope is not a simple unchanged carry-over.
Review the official explanatory notes for each target code and confirm whether the business activity still fits the suggested Rev. 2.1 class.