There are no true soles along America’s eastern shore, though there are several species in European waters. The best of them is the Dover sole, a mainstay of the European seafood scene for generations and considered one of the foundations of Continental cuisine. This thick-bodied flatfish never gets much longer than 20 inches and, like other soles, has its eyes on the right-hand side. Don’t confuse the European Dover sole with America’s West Coast “Dover” sole (Microstomus pacificus). They are not the same fish. The geographical title “Dover” was tacked on to the true sole because the English town of Dover could supply more fish for London’s Billingsgate market than any other fishing village. But, despite its name, Dover sole is caught in other places. This flatfish ranges from the Mediterranean to the North Sea and is usually found in shallow waters. The best grounds are said to be the North Sea and the Bay of Biscay. Dover sole is landed by trawlers.