The Philosopher Fish

"Since the days of the Persian Empire, caviar has trumpeted status, wealth, prestige, and sex appeal. Today it sells for up to one hundred dollars an ounce, and aficionados will go to extraordinary lengths to get their fill of it. According to Richard Adams Carey, that's just the problem. In this journey to caviar's source, Carey immerses himself in the world of sturgeon, the fish that lays these golden eggs. Ancient, shrouded in mystery, inexplicable in several of its behaviors, the sturgeon has a fascinating biologic past - and a very uncertain future. Sturgeon populations worldwide have…