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  • All fields: Freshwater fishes
(64 results)

Display: 20

    • Atlantic Salmon Parr

    • Fish hatcheries; Anadromous species; Captive breeding; Endangered species;Fisheries management; Fishes; Freshwater fishes; Wildlife restoration; Wildlife management;
    • An Atlantic salmon parr of the Machias River in eastern Maine. Atlantic salmon of the Gulf of Maine Distinct Population Segment (DPS) were listed in an endangered status under the protection of the Endangered Species Act in December 2000. This...
    • Bibliography of the Arctic grayling of North America

    • Freshwater fishes; Fishes; Fisheries management; Fish hatcheries; Document;
    • U.S. Fish and Wildlife Service, Bureau Circular 213. Bibliographies of individual species become more convenient and more necessary as the amount of fishery literature increases. For a declining species such as the Arctic grayling, the bulk of...
    • Bighead carp with students

    • Invasive species; Fishes; Connecting people with nature; Freshwater fishes
    • Two students hold a bighead carp. NOTE: Illinois Waterway; Mississippi River; Great Lakes
    • Bluegill

    • Underwater photography;fishes; Freshwater fishes;
    • Underwater image of a fish
    • Brook trout

    • Fisheries; Aquatic animals; Aquatic environments; Fishes; Freshwater fishes;
    • Brook trout swims in native stream.
    • Bull Trout

    • Threatened species; Fishes; Rivers and streams; Freshwater fishes;
    • Threatened Bull Trout
    • Bull Trout

    • Threatened species; Fishes; Rivers and streams; Freshwater fishes;
    • Image of a threatened Bull Trout
    • Bull Trout

    • Threatened species; Fishes; Lakes; Freshwater fishes; uniforms; service patch; Employees (USFWS)
    • Bull Trout caught in Swan Lake.
    • Bull Trout

    • Threatened species; Fishes; Rivers and streams; Freshwater fishes;
    • A threatened Bull Trout in Timber Creek
    • Bull trout: salvelinus confluentus

    • Fishes; Freshwater fishes; Threatened species;
    • This fact sheet describes the bull trout. Differences between bull trout and other salmonids, particularly Dolly Varden are explained. It also briefly describes the fish's breeding and feeding habits, the water conditions it prefers, and the...
    • Chucky Madtom

    • Freshwater fishes; Endangered species;
    • A small catfish, the chucky madtom is found in the upper Tennessee River system in Tennessee. Currently, only three chucky madtoms have been collected from one stream, Little Chucky Creek, since 2000.
    • Closer look.

    • Aquaculture; Aquatic environments; Biologists (USFWS); Coastal zone management; Emblems; Employees (USFWS); Fishes; Fishing; Fisheries management; Freshwater fishes; Marine environments; Marine ecology; Personnel; Research; Sampling; Scientific...
    • U.S. Fish and Wildlife Service employee provides a closer look of a fish retrieved via electrofishing methods.
    • Conversions useful in fish culture and fishery research and management

    • Fisheries management; Fishes; Aquaculture; Aquatic environments; Biologists (USFWS); Work of the Service; Document;
    • This brochure compiles various conversions from metric to English and from English to metric systems, as well as from other systems. It includes Fahrenheit and Celsius, gallons and liters and miles and kilometers conversions. The selected...
    • Crabs caught at the Anahuac National Wildlife Refuge

    • Adults; Aquatic environments; Connecting people with nature; Fishes; Fishing; Freshwater fishes; Leisure activities; Public access; Recreation; Recreation sites; Rivers and streams; Tourism; Visitor services; Wildlife refuges; Wildlife viewing;
    • A refuge visitor catches crabs,
    • Cumberland darter

    • Freshwater fishes; Endangered species;
    • The Cumberland darter is only found in the upper Cumberland River system above Cumberland Falls in Kentucky and Tennessee. Historically, this species inhabited 21 streams in the upper Cumberland River system. Now, the Cumberland darter survives...
    • Diseases of Trout

    • Videography;freshwater fishes;Fishes;Freshwater fishes;fishes;diseases;fish health; Fish management;
    • Diseases of Trout


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