A fisherman displays part of his night's catch as he fishes for elvers along a river near Portland, Maine, May 9, 2012. May 31 marks the end of what has become a Gold Rush for a small group of Maine fishermen - the 10-week season for catching juvenile eels known as elvers, whose price has increased nearly a hundred-fold over the past decade. Photo taken May 9, 2012. REUTERS/Joel Page (UNITED STATES - Tags: ANIMALS BUSINESS FOOD SOCIETY)