The Wild Fish Conservancy in partnership with other conservation groups has spent two seasons employing test fish traps on the Columbia River near Cathlamet. The once-outlawed commercial fishing ...

Speed trap for fish catches domestic trout moving too slow. ScienceDaily. Retrieved June 2, 2025 from www.sciencedaily.com / releases / 2014 / 03 / 140311104913.htm. Washington State University.

A fish trap could be built at an estimated cost of about $90,000, according to the Wild Fish Conservancy. Gill-netters wary. Bill Tweit, a state biologist, ...

Fish traps were banned on the Columbia River more than 80 year ago, but some say it's time to bring them back as a way for fishermen to catch more hatchery salmon while protecting wild fish.