1. The species covered in this Farm Animal Welfare Council (FAWC) report are salmon (Salmo salar) and trout (Oncorhynchus mykiss and Salmo trutta) with brief comments on carp (Cyprinus carpio). The welfare of those species of wrasse which are used for parasite control during salmon farming (Ctenolabrus rupestris, Centrolabrus exoletus and Crenilabrus melops) is also discussed. Information about FAWC and a list of those who gave evidence may be found at Appendices A and B. There is a glossary at Appendix C.