Bighorn River

State health and wildlife officials found sucker fish in areas of the Yellowstone River to contain elevated levels of petroleum hydrocarbons. The Fish Consumption Advisory board discourages children under the age of 6 and women who may come pregnant from eating any sucker fish caught in the Yellowstone River between the Highway 212 bridge in Laurel and the confluence with the Bighorn River.

BOZEMAN, Mont. (AP) — A parasite that caused a major die-off of mountain whitefish in the Yellowstone River has been found in seven other rivers in…