This report is a statement of the analytical results obtained in the control of the exploited species three months after the AMOCO CADIZ ran aground on the coast of Brittany. Different samples have been studied, among these : algae, crustaceans (Maïa squinado and Cancer pagurus). twenty species of fish, and molluscs (Ostrea edulis, Crassostrea gigas, Mytilus edulis) Algae have been heavily contaminated but are partically available for alginate industry. Molluscs are not presently edible within the whole polluted area. Fishes and crustaceans are less polluted.