"It was the perfect storm of conditions for fish"

The Wall Street Journal takes a stab at understanding our finned friends in the Pacific.

"The main reason for the population surge, scientists here say, is a brief period of cooling in the Northern Pacific ocean in 2008. Cooler currents brought in fatter plankton, which salmon and steelhead smolts thrive on, said ODFW spokesman Rick Swart. Temperatures have since warmed up again."