Book excerpt: This document is primarily focused on the application of the Hazard Analysis Critical Control Point (HACCP) system to the fish industry. The document reviews in detail the potential hazards related to public health and spoilage related to fish and fish products, and discuss the utilization of HACCP in different type of fish industries. It contains a chapter making clear the limitations of classical fish inspection and quality control methods based solely on the analysis of final samples. A brief introduction about the relationship between the HACCP system and the ISO 9000 series is also included. The document is completed with chapters related to cleaning and sanitation and establishments for seafood processing, primarily seen from the HACCP point of view.