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  • All fields: Spawning
(217 results)



Display: 20

    • Food from the sea: fish and shellfish of New England.

    • History; Aquatic environments; Fishes; Fisheries management; Fishing; Commercial fishing; Overfishing;
    • "In New England, the specific job is to spread consumption more uniformly over the nearly 80 species of fish and shellfish that are brought, into local ports each year. Production records 'of the fishing industry show a serious lack of...
    • Atlantic Salmon Adults

    • Captive breeding; Fishes; Rivers and streams;
    • Adult Atlantic salmon of the Penobscot River, ME, in their holding pool before artificial spawning
    • Becherof and Alaska Peninsula National Wildlife Refuges

    • videography; U.S. Fish and Wildlife Service; wildlife refuges; wildlife conservation
    • An overview of the 5.5 million acres that encompass these two spectacular refuges. Becharof National Wildlife Refuge lies between Katmai National Park and Preserve and Alaska Peninsula Refuge. This video production contains music that has been...
    • Atlantic Salmon Male

    • Fishes; Rivers and streams;
    • Atlantic salmon male displaying kype, a characteristic of males during spawning season which is used in battle with rival mates.
    • Atlantic salmon smolts

    • Aquaculture; Anadromous species; Endangered and/or Threatened species; Fishes; Fisheries management;
    • Atlantic salmon spend the first two years of life in the fresh water habitats of their native stream (occasionally three, depending upon food availability). At two years of age, the fish undergo the process of smoltification, resulting in changes...
    • Ave Thayer oral history transcript

    • Biography; Employees (USFWS); History; Hunting; Law enforcement; Trapping; Surveying; Aircraft; Aviation; Mammals; Management; Habitat conservation; Rivers and streams; Wilderness;
    • Ave Thayer oral history interview as conducted by Mark Madison. As well as working at Arctic National Wildlife Refuge and Kenai Moose National Wildlife Refuge, Mr. Thayer also worked in Anchorage under the Alaska Game Commission, and in McGrath,...
    • Work of the Service

    • History; Wildlife refuges; Maintenance; Fishes; Dams;
    • Beaver dam after opening with TNT to permit run of spawning grayling to ascend.
    • Work of the Service

    • History; Wildlife refuges; Maintenance; Fishes; Dams;
    • Beaver dam outside refuge boundary, before opening with TNT (dynamite) to permit run of spawning grayling to ascend - Actual preparation for removal of this dam
    • Aquatic Insect

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or 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.
    • Steelhead in Anesthetic

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or Threatened species; Monitoring;
    • 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.
    • Steelhead Tagging Station on Eagle Creek

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or Threatened species; Monitoring; uniforms; service patch;
    • 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.
    • Eagle Creek

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or 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.
    • Tagging Equipment

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or Threatened species; Monitoring;
    • Biologists use this equipment to 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.
    • Steelhead tagging

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or Threatened species; Monitoring;
    • Brian Davis measures a steelhead before it gets tagged. It must be more than 75 millimeters long to get tagged. Biologists use this tracking information to see if the hatchery fish that are spawning here are affecting the survival and productivity...
    • Preparing Tags

    • Fish hatcheries; Fisheries management; Fishes; Biologists (USFWS); Employees (USFWS); Work of the Service; Tagging; Endangered and/or Threatened species; Monitoring; service patch;
    • Chee Xiong, an Oregon State University STEP student, prepares tags for steelhead on 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...

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