Game and Fish continues work to reintroduce sauger above Glendo Reservoir


Fish species were once native to the North Platte River system in eastern Wyoming

06/13/2022 21:13:20

CheyenneThe Wyoming Game and Fish Department is pursuing a project to bring sauger back to their native waters.

The fish species were once native to the North Platte River system in eastern Wyoming, but became extinct in the mid-1940s. In 2017, Game and Fish began reintroducing sauger to the North Platte River in upstream of the Glendo reservoir. Since then, the department has collected information on sauger migration and movement patterns and whether a weir in the river near Orin Junction is preventing the migration of sauger and other native fish.

“We want to know how much river is available to them and if it would be beneficial to do some extra work to provide better passage for fish over the spillway, or if they are already able to swim over the spillway” , said Nick Hogberg, Game and Fish Biologist in the Casper area.

“Their ability to pass the weir depends on the flow of the river, so we expect that at some flows it will be easier than at others. As long as there are flows in the spring allowing them to pass the weir, they will probably be able to migrate as far as they want because the next barrier is much further upstream.

Since 2017, Game and Fish has stocked approximately 950,000 black fry and black fry in this area.
“As well as bringing back a native species that we would like to have in this system, the sauger will bring a component of diversity to the Glendo fishery,” Hogberg said. “They are susceptible to many of the same fishing techniques as walleye. We have seen anglers catching them before and hope this will continue in the future as they become established and hopefully sustain themselves.

The department has also affixed radio transmitters to sauger and three other species native to this region: channel catfish, short-headed redhorse and thornback. As fish swim near or over the weir, each tag has a unique signal picked up by tracking stations next to the weir. Numbered floating tags are inserted into each fish. Anglers who catch tagged fish are encouraged to release them and asked to contact the telephone number listed on the tag if they release or harvest tagged fish. Until early June, two saugers, five shorthead sandpipers, two channel catfish and two spinybacks moved over the weir. Hogberg said there are plans to tag several more of each species next spring.

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(Sara DiRienzo, Public Information Officer – (



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