The Combined Nomenclature (CN), v1:2020
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=9c320fe0-a022-4f6f-9b66-776ab8be79ca