Lamprey use their suction cup mouths to attach to a rock ... The Pacific lamprey can be seen suctioned to the fish viewing ...

Fewer adult lamprey have passed Bonneville Dam on their way upriver ... using a suction-cup mouth lined with teeth to suck blood from other fish. That may be why few people have cared much about ...

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return ...

MULTNOMAH COUNTY, Ore. (KPTV) - Every spring, the U.S. Army Corps of Engineers opens the spillway at Bonneville Dam, about 45 minutes east of Portland, to help salmon travel through. UACE has all ...

STEVENSON, Wash. — Some fish counts are down at Bonneville Dam this year, while others are up compared to the 10-year average. “It’s a complex reason, there’s no one single thing,” said ...

Record-keeping dates to 1938, when fish counts began at Bonneville. This year’s run eclipsed the old record of 520,959 sockeye in 2012, which came after a 2010 record run of 386,525 sockeye ...

With Chinook salmon catches trending well above expectation, fishery managers from Washington and Oregon announced Thursday that the lower Columbia River from Bonneville Dam to Buoy 10 (including ...

70543 NE Herman Loop, Cascade Locks, 541-374-8393, nps.gov/places/bradford-island-visitor-center-at-bonneville-lock-and-dam.htm. Hatchery: 7:30 am–dusk daily ...

BONNEVILLE DAM — The U.S. Army Corps of Engineers is gutting and rebuilding a large section of Bonneville Dam’s fish ladder to make it easier for Pacific lamprey to pass the dam as they return ...