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Tag " Grand Canyon"




Native fish seen regaining dominance over invasive species




BIO-WEST scientists, along with American Southwest Ichthyological researchers and federal cooperators, have documented a native fish community that is regaining dominance over nonnative fishes in the Colorado River in Grand Canyon National Park. This is unheard of in the mainstem of the Colorado River, and the location in the Grand Canyon where this fish community was found is also unexpected due to the effects...

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Making History: Spawning Fish Discovery Shared in The Southwestern Naturalist

BIO-WEST and collaborating researchers recently published some “grand” news in the Southwestern Naturalist. Once thought extirpated from historical habitats in the Grand Canyon, razorback sucker presence and spawning were confirmed during long-term, ongoing research that originated in Lake Mead. Read the article here.

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Rooting for the Underdog: Biologists Research Endangered Fishes in Lake Mead and the Grand Canyon




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BIO-WEST Teams with Wildlife Agencies to Research Lake Powell Endangered Razorback Sucker

To better understand how endangered razorback sucker are maintaining a wild population, also called “recruiting,” BIO-WEST biologists assisted the US Fish and Wildlife Service and Utah Division of Wildlife Resources with razorback sucker research on Lake Powell. This cooperative effort is part of a project funded by the US Bureau of Reclamation to determine razorback sucker use of Lake Powell...

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