fish

Some already threatened cold-water fish species in the Northwest will not only face shrinking habitat from climate change but will face growing pressure from invasive fish species fleeing their own warming and dwindling waters.

Commercial fishermen at Pier 45 in Fisherman's Wharf are opposing a new development plan they claim could convert their workplace into a public-facing tourist attraction.

The state of Montana has chosen to update the way it monitors certain water pollutants, but some water watchdogs are calling the changes a step backward.

A White House council has recognized a Montana project to improve fish passage in the tributaries of the Clark Fork River as one of 10 best.

The hot weather has taken its toll on the reservoirs of the lower Clark Fork River, where some fish have died as the result of low oxygen.

The multimillion-dollar claim by the Oregon Department of Fish and Wildlife on Friday arrives after weeks of advocacy over dam repairs that killed at least 550,000 Pacific lamprey.