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The native fish in the Malheur National Wildlife Refuge have been isolated since the Pleistocene or around 11,000 to 13,000 years ago when glacial lakes subsided in the now closed basin. This provides a significant amount of time for the native fish isolated in these waterways and springs to adapt to the habitat conditions of the area.
Written by Emilee Gooch, 2024 Seasonal Biology Technician Hello everyone! Writing this marks the start of my third week here at Malheur NWR in my role as the Wildlife Biology
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