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Cut-and-Paste Reference:
Tyus, H.M., B.D. Burdick, R.A. Valdez, C.M. Haynes, T.A. Lytle, and C.R. Berry. 1982. Fishes of the upper Colorado basin: distribution, abundance, and status. Pages 12-70 in Miller, W.H., H.M. Tyus, and C.A. Carlson, eds. Fishes of the upper Colorado River system: present and future. Western Division, American Fisheries Society. Bethesda, MD.
Reference Details:
Reference Number: 1578
Type: Book Chapter
Author: Tyus, H.M., B.D. Burdick, R.A. Valdez, C.M. Haynes, T.A. Lytle, and C.R. Berry.
Date (year): 1982
Book Title: Fishes of the upper Colorado River system: present and future
Editor: Miller, W.H., H.M. Tyus, and C.A. Carlson
Edition:
Chapter Title:Fishes of the upper Colorado basin: distribution, abundance, and status.
Publisher:Western Division, American Fisheries Society.
Publisher Location:Bethesda, MD
Volume:
Pages: 12-70
URL:
Keywords:
Species Profiles and Specimens that use this Reference:

Ameiurus melas

    CO - San Juan drainage, upper
    CO - Colorado River below Gunnison River
    CO - Yampa River drainage
    NM - San Juan drainage
    UT - Colorado River from above Lake Powell to San Rafael River
    UT - Colorado River from a little south of the Dolores River to the state line
    UT - Green River from Colorado River to Price River
    UT - Green River from Price River to Duchesne River
    UT - lower Duchesne drainage
    UT - Starvation Reservoir
    UT - lower White River

Ameiurus natalis

    AZ - Lake Powell (lower end)
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - lower San Juan drainage

Catostomus ardens

    UT - Green River above Duchesne River half way to state line
    UT - Duchesne River
    UT - Strawberry Reservoir
    UT - upper Fremont River
    WY - Fontenelle Reservoir

Catostomus catostomus

    CO - Lake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]
    CO - Blue Mesa Reservoir and just downstream

Catostomus commersonii

    WY - Green River, at Flaming Gorge Reservoir
    CO - Yampa River
    CO - Colorado Headwaters drainage
    CO - Gunnison (HUC6) non-specific
    CO - San Juan drainage, upper
    NM - upper San Juan River
    UT - Colorado River from junction w/ Green River to the Dolores River
    UT - Green River above Duchesne River to state line
    UT - Flaming Gorge Reservoir and Green River just below reservoir
    UT - Duchesne River
    WY - Flaming Gorge Reservoir

Cyprinella lutrensis

    AZ - Lake Powell (lower end)
    WY - Green River, at Flaming Gorge Reservoir
    CO - Yampa River, lower part
    CO - White River whole length
    CO - Colorado River above and below Gunnison
    CO - lower Gunnison River
    CO - Dolores River
    CO - San Juan drainage, upper
    CO - lower San Juan drainage
    NM - San Juan River
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - San Juan River
    UT - Escalante River
    UT - Dirty Devil River
    UT - Fremont River
    UT - San Rafael River
    UT - Price River
    UT - Colorado River from Cataract Canyon to CO state line
    UT - Green River entire length in UT
    UT - Green River, at Flaming Gorge Reservoir
    WY - Green River, at Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Cyprinus carpio

    AZ - Lake Powell
    CO - San Juan drainage, upper
    WY - Green River, at Flaming Gorge Reservoir
    CO - Yampa River drainage
    CO - White River drainage
    CO - Colorado headwaters drainage
    CO - Gunnison (HUC6) non-specific
    CO - Dolores drainage
    CO - San Juan drainage, upper
    CO - lower San Juan drainage
    NM - San Juan drainage
    UT - Lake Powell
    UT - Lake Powell, upper
    UT - San Juan River
    UT - lower Dirty Devil
    UT - lower San Rafael
    UT - Price River
    UT - Green River from Cataract Canyon to CO state line
    UT - Colorado River from Cataract Canyon to CO state line
    UT - Duchesne drainage
    UT - Starvation Reservoir
    UT - White River
    UT - Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Dorosoma petenense

    AZ - Lake Powell
    UT - Lake Powell
    UT - Colorado River above Lake Powell up to Green River
    UT - lower San Juan River

Esox lucius

    AZ - Lake Powell (lower end)
    WY - Green River, at Flaming Gorge Reservoir
    CO - Yampa River
    CO - White River, middle
    CO - Colorado River near Gunnison confluence
    CO - San Juan drainage, upper
    NM - Animas River
    UT - Green River near CO state line
    UT - Lake Powell, upper
    UT - Lake Powell, lower

Etheostoma exile

    CO - Shadow Mountain Reservoir (or river nearby)
    NM - Piedra River, a trib of the San Juan, below the Navajo Reservoir

Etheostoma nigrum

    CO - Shadow Mountain Reservoir (or river nearby)
    CO - Lake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]

Fundulus sciadicus

    CO - White River

Fundulus zebrinus

    CO - Yampa River
    CO - lower San Juan
    CO - Colorado River below Gunnison River
    CO - Yampa River
    NM - San Juan River, entire length
    NM - San Juan River, entire length
    NM - San Juan River, entire length
    UT - upper San Juan River
    UT - Colorado River between Green River and Dolores River

Gambusia affinis

    CO - White River
    CO - Colorado River just above Gunnison
    CO - San Juan drainage, upper
    NM - San Juan River, entire length
    UT - Green River just above Price River

Gila atraria

    WY - Green River, at Flaming Gorge Reservoir
    CO - lower Yampa drainage
    UT - Strawberry Reservoir
    UT - Starvation Reservoir
    UT - Flaming Gorge Reservoir
    UT - headwaters of Price River
    UT - Green River just above mouth of Price River
    UT - lower Dolores River
    UT - Fremont River
    UT - Lake Powell, upper
    WY - Flaming Gorge Reservoir

Hybognathus hankinsoni

    CO - Colorado River just below confluence w/ Gunnison

Ictalurus punctatus

    AZ - Lake Powell
    CO - Yampa River
    CO - White River
    WY - Green River, at Flaming Gorge Reservoir
    CO - Colorado Headwaters-Plateau drainage in main river
    CO - Dolores River
    CO - upper San Juan River
    CO - lower San Juan
    NM - San Juan River
    NM - Navajo Reservoir
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - San Juan River from Lake Powell to state line
    UT - lower San Rafael River
    UT - lower Price River
    UT - lower Duchesne River
    UT - Green River just below Flaming Gorge Reservoir
    UT - Green River from Duchesne River to state line
    UT - Green River from Price River to Duchesne River
    UT - Green River from Green River to Price River
    UT - Colorado River from Green River to state line
    UT - Dolores River

Lepidomeda copei

    UT - Fremont River
    UT - Price River
    UT - Starvation Reservoir
    UT - Strawberry Reservoir

Lepomis cyanellus

    AZ - Lake Powell (lower end)
    CO - San Juan drainage, upper
    CO - lower Gunnison drainage
    CO - Colorado River above and below Gunnison
    CO - Yampa River
    CO - White River
    NM - Navajo Reservoir
    NM - San Juan below Animas River
    UT - lower Duchesne drainage
    UT - lower White River
    UT - Green River from Duchesne River to state line
    UT - Green River just below Duchesne River
    UT - Colorado River from Green River to state line
    UT - upper Dirty Devil River
    UT - Lake Powell, upper
    UT - Lake Powell, lower
    UT - San Juan River from Lake Powell to fork at Montezuma

Lepomis macrochirus

    AZ - Lake Powell
    CO - lower Yampa drainage
    CO - lower White drainage
    WY - Green River, at Flaming Gorge Reservoir
    CO - Colorado River just below Gunnison
    CO - Navajo Reservoir
    NM - Navajo Reservoir
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - Escalante River
    UT - San Juan River from Lake Powell to fork at Montezuma
    UT - Colorado River between Green River and Dolores River
    UT - upper Dirty Devil River
    UT - lower White River
    UT - Green River just above Duchesne River
    UT - lower Duchesne drainage

Micropterus dolomieu

    CO - Navajo Reservoir
    CO - lower Gunnison drainage
    CO - Colorado Headwaters drainage
    CO - upper Yampa drainage
    NM - Navajo Reservoir
    UT - Green River, entire length
    UT - Duchesne River
    UT - Flaming Gorge Reservoir

Micropterus salmoides

    AZ - Lake Powell (lower end)
    CO - lower Yampa drainage
    CO - lower Gunnison drainage
    CO - Colorado River just above and below Gunnison
    CO - San Juan drainage, upper
    NM - Navajo Reservoir
    NM - San Juan River, entire length
    UT - San Juan River near fork at Montezuma Canyon
    UT - lower San Juan River
    UT - Lake Powell, upper
    UT - Lake Powell, lower
    UT - Colorado River from Green River to state line
    UT - lower Dolores River
    UT - Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir

Morone chrysops

    CO - San Juan drainage, upper

Morone saxatilis

    AZ - Lake Powell (lower end)
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - lower part of San Juan River

Notropis stramineus

    CO - lower Yampa River
    CO - Colorado Headwaters-Plateau drainage in main river
    CO - lower half of Dolores River
    UT - Colorado River from Green River to state line
    UT - Dolores River
    UT - Green River entire length

Oncorhynchus clarkii

    CO - Lake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]
    CO - Blue Mesa Reservoir
    CO - Green River
    CO - San Juan drainage, upper
    CO - Gunnison (HUC6) non-specific
    CO - Colorado headwaters drainage
    CO - upper White drainage
    CO - upper Yampa drainage
    WY - Green River, at Flaming Gorge Reservoir

Oncorhynchus clarkii behnkei

    NM - upper San Juan River

Oncorhynchus clarkii

    UT - Flaming Gorge Reservoir
    UT - Strawberry River drainage
    UT - Green River just below San Rafael River
    UT - Green River just below Price River to Desolation Canyon

Oncorhynchus clarkii stomias

    UT - Green River tributary to the East in Desolation Canyon

Oncorhynchus clarkii

    WY - Flaming Gorge Reservoir

Oncorhynchus kisutch

    CO - Navajo Reservoir
    CO - Blue Mesa Reservoir

Oncorhynchus mykiss

    AZ - Lake Powell
    NM - upper San Juan River
    UT - Lake Powell
    UT - Lake Powell, upper
    UT - Green River below San Rafael River
    UT - Green River between Price and White rivers
    UT - Duchesne drainage
    UT - Strawberry drainage
    UT - Green River from below Yampa River to state line
    UT - Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Oncorhynchus nerka

    CO - Blue Mesa Reservoir
    CO - Navajo Reservoir
    CO - Dillon Reservoir [Blue River]
    CO - Lake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]
    CO - Shadow Mountain Reservoir in the headwaters of the Colorado River [~60 mi NW of Denver]
    UT - Navajo Reservoir
    UT - Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoir

Perca flavescens

    CO - San Juan drainage, upper
    CO - lower San Juan
    UT - Montezuma Canyon

Pimephales promelas

    AZ - Lake Powell (lower end)
    CO - lower half of Dolores River
    CO - Gunnison River [drainage]
    CO - Colorado Headwaters-Plateau drainage
    CO - White River drainage
    CO - Yampa River drainage
    WY - Green River, at Flaming Gorge Reservoir
    CO - San Juan drainage, upper
    CO - lower San Juan
    NM - San Juan River
    UT - Green River entire length
    UT - Colorado River from Green River to state line
    UT - White River
    UT - Green River, at Flaming Gorge Reservoir
    UT - San Juan River
    UT - Fremont River
    UT - Muddy Creek, above confluence of Dirty Devil and Fremont rivers
    UT - Lake Powell, upper
    UT - Lake Powell, lower
    UT - lower San Rafael River
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Pomoxis annularis

    CO - Navajo Reservoir
    NM - Navajo Reservoir

Pomoxis nigromaculatus

    AZ - Lake Powell
    CO - San Juan drainage, upper
    CO - lower Gunnison drainage
    CO - Colorado River below Gunnison
    NM - Navajo Reservoir
    UT - Colorado River from below Dolores River to state line
    UT - Colorado River from below Dolores River to state line
    UT - Colorado River from below Dolores River to state line
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - lower San Juan River
    UT - lower Dolores drainage

Rhinichthys cataractae

    UT - Strawberry Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Richardsonius balteatus

    CO - Colorado River at Westwater Canyon below Gunnison
    UT - Green River between San Rafael River and Price River
    UT - Fremont River
    UT - Strawberry Reservoir
    UT - Starvation Reservoir
    UT - Duchesne River
    UT - Green River, at Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Salmo trutta

    AZ - Lake Powell
    WY - Green River, at Flaming Gorge Reservoir
    CO - Yampa River drainage
    CO - White River drainage
    CO - Colorado headwaters drainage
    CO - Gunnison (HUC6) non-specific
    CO - San Juan drainage, upper
    NM - Upper San Juan (HUC6) non-specific
    UT - Lake Powell
    UT - Lake Powell, upper
    UT - Colorado River near CO state line
    UT - lower White River
    UT - Green River near CO state line
    UT - Flaming Gorge Reservoir
    UT - Duchesne River to below Soldier Creek Reservoir
    UT - Strawberry River to below Soldier Creek Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Fontenelle Reservoir

Salvelinus fontinalis

    WY - Green River, at Flaming Gorge Reservoir
    CO - headwaters of the Yampa
    CO - Dillon Reservoir on the Blue River
    CO - Blue Mesa Reservoir
    CO - San Juan drainage, upper
    NM - Navajo Reservoir
    UT - Strawberry Reservoir
    UT - Flaming Gorge Reservoir
    WY - Flaming Gorge Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Flaming Gorge Reservoir

Salvelinus namaycush

    CO - Blue Mesa Reservoir
    CO - Lake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]
    UT - Flaming Gorge Reservoir
    UT - Starvation Reservoir
    WY - Green River between Flaming Gorge and Fontenelle Reservoirs
    WY - Flaming Gorge Reservoir

Sander vitreus

    AZ - Lake Powell (lower end)
    CO - lower San Juan
    CO - San Juan drainage, upper
    CO - lower Yampa drainage
    UT - Lake Powell, lower
    UT - Lake Powell, upper
    UT - lower San Juan River
    UT - Green River from Desolation Canyon to Duchesne River
    UT - Green River from Duchesne River to state line
    UT - Duchesne River
    UT - Starvation Reservoir

Semotilus atromaculatus

    CO - Green River just above mouth of Yampa River
    CO - Green River just below mouth of Yampa River
    CO - Yampa River drainage
    CO - Colorado River just above Gunnison
    UT - Green River between San Rafael River and Price Rivers
    UT - Green River above Duchesne River
    UT - Green River just below Flaming Gorge Reservoir

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/5/2025].

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