Prices of higher-end Pacific salmon, particularly troll-caught silvers, reds and kings, are expected to come back down to Earth this summer. The global economic slump is taking a bite out of demand, which should keep prices in check.
 
"Demand [for troll-caught salmon] has always been high in Europe and Japan," said Matthew Hill, director of KeyBanc Capital Markets in Seattle. "Japan has benefited from the strong yen, until just recently. So the Japanese, who typically are willing to p