Oregon Field Guide is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart ...

The ladder is a series of tiered concrete walls, spanning about 800 feet along the side of the dam, that fish can use to go upstream. The troublesome part of the ladder, at least for the lamprey ...

The lamprey uses its rough tongue to rasp away the fish's flesh so it can feed on its host's blood and body fluids. One lamprey kills about 40 pounds of fish every year.

News / Sports / Outdoors Can Pacific lamprey numbers be restored in the Columbia River Basin? Yakama Nation biologists think so The 450-million-year-old fish is crucial for the Yakama Nation’s ...

It’s that importance — both cultural and ecological — that drives Lumley in her goal of restoring lamprey populations so harvests can return to what they were only a handful of generations ago.