said Saturday that 830,000 Chinook salmon fry, released from its Fall Creek Fish Hatchery in Siskiyou County, are presumed to have died due to gas bubble disease in the Klamath River. On Monday ...

The disease comes with a high mortality rate. A stock photo shows chinook salmon swimming underwater. Thousands have died as a result of gas bubble disease. A stock photo shows chinook salmon ...

The California Department of Fish and Wildlife said that 830,000 young Chinook salmon, released from ... are presumed to have died due to gas bubble disease in the Klamath River.

Scientists found no evidence the salmon died because of oxygen levels or higher levels of particles in the river, and the dead fish showed signs of gas bubble disease, officials said.

Gas bubble disease in fish is caused by “environmental ... flows to the river is expected to help revive the area’s salmon. The die-off also came amidst increased scrutiny of the dam removal ...

Gas bubble disease was detected in the fish’s appearance ... according to CDFW. After the salmon died, the agency’s monitoring equipment detected healthy yearling Coho and Chinook salmon ...