The idea of ethical food is promoted in almost every modern supermarket, but when it comes to producing, catching and eating fish, deciding what ethical means isn't as easy as it seems, writes Adam Anson, reporting for TheFishSite.
The southernmost populations of salmon, steelhead, and trout, uniquely adapted to Californias climatic regime, are in deep trouble according to a report by Peter B. Moyle, Joshua A. Israel and Sabra E. Burdy, University of California Davis.
