Hierarchy HS 03 - Fish and crustaceans, molluscs and other aquatic invertebrates HS heading 0301 Final HS codes HS 03019100Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)