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.

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.

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 once used broadly in the Northwest during the early part of the last century to harvest salmon for the canneries, but they were eventually outlawed because they caught too many fish.