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Bass /ˈbæs/ is a name shared by many different species of fish. The term encompasses both freshwater and marine species. All belonging to the large order Perciformes, or perch-like fishes, and in fact the word bass comes from Middle English bars, meaning "perch." The European 'Seabass', Dicentrarchus labrax, The European Bass is a member of the Moronidae family. The name Dicentrarchus derives from the presence of two dorsal fins. It has silver sides and a white belly. Juvenile fish maintain black spots on the back and sides, a feature that can create confusion with Dicentrarchus punctatus. This fish's operculum is serrated and spined.