When Martin Perales and Paul Blank go fishing on the Napa River, the fish barely stand a chance. The two men don't use a fishing rod. They use a rotary screw trap — a rotating funnel, 8 feet across, ...
Jonathan Koehler is working the biggest fish-trapping contraption on the Napa River and finding out good news about Chinook salmon after a historic rain year. This eight-foot-diameter metal funnel ...
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