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    • Abernathy Fish Technology Center scientist at work

    • Abernathy Fish Technology Center scientist at work
    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS); Scientific personnel (USFWS); Work of the Service; Uniforms; Service patch;
    • Fish Biologist Richard Glenn from the Abernathy Fish Technology Center studies fish DNA with the help of a PCR machine. This device is used to amplify copies of DNA samples to assist the scientists in identifying genetic variations in fish...
    • Anesthetic Buckets

    • Anesthetic Buckets
    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Threatened species; Monitoring;
    • The fish are placed in anesthetic to slow their breathing and make them easier to handle while tagging the steelhead. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and...
    • Anesthetizing Nutria Prior to Tagging

    • Anesthetizing Nutria Prior to Tagging
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging; Biologists (USFWS);
    • A nutria is given a shot to put it to sleep while the collar is measured. Tagging the animals will help biologists to better understand the nutria as well as prevent their spreading.
    • Aquatic Insect

    • Aquatic Insect
    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Threatened species; Monitoring;
    • Biologists find other aquatic creatures while tagging steelhead in Eagle Creek. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and productivity of the wild fish.
    • Baited trap used to capture nutria

    • Baited trap used to capture nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A trap baited with carrots and apples awaits a nutria to venture out of the water and investigate. The animals are trapped in order to tag them to better understand the habits of nutria and to prevent their spreading.
    • Bucket Tags

    • Bucket Tags
    • Fish hatcheries; Fisheries management; Fishes;
    • Bucket tags used to label buckets at the Carson National Fish Hatchery. Each bucket is numbered and placed in corresponding holding containers.
    • Caged Nutria

    • Caged Nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A caged nutria, waiting to be tagged. The animals are trapped in order to tag them to better understand the habits of nutria and preventing their spreading.
    • Captured nutria awaits tagging

    • Captured nutria awaits tagging
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A nutria in a cage waits to get a tail tag. Tagging the animals will help biologists better understand the animal and prevent their spread.
    • Capturing nutria

    • Capturing nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A safe trap awaits a nutria to venture out of the water and investigate. The animals are trapped in order to tag them to better understand the habits of nutria and to control populations.
    • Cleaning Equipment

    • Cleaning Equipment
    • Fish hatcheries; Fisheries management; Fishes; Employees (USFWS); Biologists (USFWS); Work of the Service; uniforms; service patch;
    • Everything is cleaned with an iodine solution and water after each use.
    • Collar Tag for Nutria

    • Collar Tag for Nutria
    • Aquatic animals; Invasive species; Mammals; Rodents; Wildlife management; Trapping; Tagging;
    • A collar tag to be put on a nutria. It's designed stretch so it can be put on snugly and a nutria will neither get a limb stuck inside nor have trouble breathing. Tagging the animals will help biologists to better understand the nutria's habits and...
    • Damage Caused by Nutria

    • Damage Caused by Nutria
    • Invasive species; Interpretation; Photography; Mammals; Rodents; Work of the Service; Wildlife management;
    • Damage caused by nutria digging into the banks at Tualatin National Wildlife Refuge. USFWS and Pangolin Film's are joined in an effort to create awareness surrounding the dangers of the spreading non-native nutria populations in the northwest...
    • Eagle Creek

    • Eagle Creek
    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Threatened species; Monitoring; Rivers and streams;
    • Biologists tag steelhead in Eagle Creek. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and productivity of the wild fish.
    • Egg Storage

    • Egg Storage
    • Fish hatcheries; Fisheries management; Fishes;
    • After getting rinsed the eggs are placed in storage containers at the Carson National Fish Hatchery.

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