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Yellowstone Trout to be Poisoned

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Starting today, 20 September, Yellowstone National Park fisheries biologists will poison Elk Creek and its tributaries to kill non-native brook trout so that native cutthroat can be restocked.

Source: Billings Gazette

Brook trout compete with cutthroat trout and often completely displace them and other native fish species. The project will not impact the nearby Yellowstone River.

The fish poison Rotenone will be introduced in small quantities and visitors are advised not to swim in, or drink from, the streams from today through to September 30 and warning signs will be posted at all treated areas.

This year's treatment is the second in a series that is expected to continue over the next one to two years. Treatments will be conducted until brook trout have been completely removed from the streams when park will then reintroduce genetically pure native Yellowstone cutthroat trout. The long-term plan is not only to support native species restoration, but also for these streams to provide a brood stock population of cutthroat for future restoration efforts.

More information on the park's Native Fish Conservation Plan can be found HERE

Articles by the same author

Comments (3 posted):

cochise on 23/09/2013 15:07:52
Man, the brook cutt battle goes on. Sadly it will never be Cutts alone...Brookies will make it back immediately and then the process starts over. Here in CO we have so many waters with this same dilemma.
oldskoo11 on 02/10/2013 05:04:11
I feel for those who are dealing with this issue locally. I live in an area where there are very few native trout or even planted trout for that matter. The river I have fished my whole life has an invasive species of fish that eat young trout and have basically all but killed off the once vibrant fishery. I have fished this waterway all my life. From a young child this is where I fished. The "do we poison the waterway" debate IMHO is a no win situation. part of the problem is we not only kill off the invasive species we kill off a major part of the food chain as well. I don't have an answer to the problem. But I know what your dealing with...
Rip Tide on 02/10/2013 12:03:44
They've been "reclaiming" ponds in Maine (in favor of brooktrout) since the 1930s
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cutthroat, Brook trout, Yellowstone National Park

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