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Our Waters - Missouri River


Find the fisheries report, map, photos, and links for the Missouri River below.

Fisheries Report
Map
Photos
Links



Missouri River Fisheries Report


by Jay Erickson

On February 9, 2010 at the Great Northern Hotel, Montana Fish, Wildlife and Parks Region 4 Fisheries Biologist Grant Grisak reported that the FWP’s fish shocking surveys this year indicate rainbow and brown trout numbers are up in the Missouri River between Holter Dam and Cascade. FWP biologists found 3,458 rainbow trout greater than 10 inches long near the town of Craig on the Missouri. The long-term average for that section is 2,917. “The rainbows in the Craig section were remarkably high quality,” says Grisak. "About 85% of the rainbows were 15 inches and larger, and fish in the 18-inch length group alone represented 24% of the total population." The largest rainbow sampled was 4.8 pounds. In the Pelican Point section just upstream from the town of Cascade, rainbows were estimated at 1,577 per mile, which is higher than the long-term average of 1,494. Grisak said: "Sixty-four percent of the rainbows in the population were 15 inches and larger." Brown trout populations in the river were also up. The spring estimate of brown trout in the Craig section was 584 per mile in the Craig section; the long-term average there is 578. In the Pelican Point section spring browns were estimated at 611 per mile, higher than the long-term average of 358. Brown trout populations are sampled in the spring and rainbow populations are sampled in the fall. During late summer and early fall, Missouri River anglers reported good fly-fishing for larger rainbows, which Grisak says is consistent with the number of large rainbows observed during the population estimates. Anglers also reported many brown trout in the Craig section, which is likely a result of unusually cooler weather in early October causing browns to swim upstream and start their spawning run about a month earlier than normal. The presentation was well attended. The PBMRTU Chapter appreciates this report and we look forward to another presentation from Grant Grisak next winter.




Map


Map of the Missouri River



Photos


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