The Combined Nomenclature (CN), v1:2023
0511 91 90: Products of fish or crustaceans, molluscs or other aquatic invertebrates (excl. fish waste); dead fish, crustaceans, molluscs or other aquatic
https://www.dst.dk/en/Statistik/dokumentation/nomenklaturer/kn?id=72c00acf-45ba-43e2-9d08-63bdac4ce8a8