Jackknife Creek

Tributary of the Salt River

    Jackknife Creek in Bonneville County is 19.2 miles in length.

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    Species Observed in Surveys

    Fish Stocking Records

    Date
    Species
    Quantity
    General Size
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    Date
    Species
    Quantity
    General Size
    1976/08/23 Cutthroat Trout - Unspecified 5,049 Fingerling (3-6 inches)
    1975/08/11 Cutthroat Trout - Unspecified 14,325 Fry (0-3 inches)
    1974/07/24 Cutthroat Trout - Unspecified 5,775 Fry (0-3 inches)
    1973/07/11 Cutthroat Trout - Unspecified 25,900 Fry (0-3 inches)
    1972/06/28 Cutthroat Trout - Unspecified 16,440 Fry (0-3 inches)
    1970/07/27 Cutthroat Trout - Unspecified 15,000 Fry (0-3 inches)
    1969/08/24 Cutthroat Trout - Unspecified 16,000 Fry (0-3 inches)
    Source: IDFG Fish Stocking Database.

    Licenses and Tags

    Learn more about IDFG Licenses, Tags & Permits
     

    Fishing Rules, 2025 - 2027

    All Waters Open All Year

    Except as modified in Special Rules
    Fishing is not allowed within the posted upstream and downstream boundary of any fish weir or trap.

    Daily Bag Limits

    The following daily bag limits apply to all waters within each region except as modified in the Special Rules. The possession limit is 3-times the daily bag limit.

    Special Rules

    No Special Rules for Jackknife Creek.
    Upper Snake Region Bag Limits
    Bass (Largemouth and Smallmouth)

    • Bass - no bag, length, or possession limits

    Brook Trout

    • Brook Trout limit is 25
    • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for Brook Trout

    Bull Trout

    • Bull trout - catch-and-release

    Kokanee

    • Kokanee limit is 15

    Sturgeon

    • Sturgeon - catch-and-release
    • Sturgeon must not be removed from the water and must be released upon landing
    • Barbless hooks, sliding swivel device to secure a weight, and a lighter test line to secure weight to sliding swivel device are required. See fishing regulations for details

    Tiger Muskie

    • Tiger Muskie limit is 2, none under 40 inches

    Trout includes Brown Trout, Golden Trout, Lake Trout, Arctic Grayling, Cutthroat Trout, Rainbow Trout, and trout hybrids (e.g. Tiger Trout)

    • Trout limit is 6, all species combined
    • Bull Trout and Brook Trout are listed separately

    Walleye (Have not been stocked intentionally in this Region. May be harmful to existing fisheries.)

    • No bag, length, or possession limits, harvest is encouraged

    Whitefish

    • Whitefish limit is 25 - see Big Lost River exception
    • Harvest allowed during any open season unless otherwise noted under Special Rules - if gear or bait restrictions are listed, they apply when fishing for whitefish

    Protected Nongame Fish including Bluehead Sucker (also known as Green Sucker)

    • May not be harvested or possessed

    All Other Fish Species includes bullfrogs and crayfish

    • No bag, length or possession limit
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