Figure 4From: Indigenous marine resource management on the Northwest Coast of North AmericaHook-shaped stone intertidal fish trap near Powell River, B.C. that functioned by funneling and then trapping fish, such as herring and perch, in through the wall openings during a receding tide. Water held by the walls through the tidal sequence may have extended harvesting times. (Photo: Megan Caldwell).Back to article page