Halfmoon Lake Fish Stocking
Montana · 1934–2026 on record
According to Montana fish & wildlife agency, Halfmoon Lake was last stocked May 8, 2026 with Brook Trout. Halfmoon Lake has 69 stocking records on file, spanning 1934–2026, with about 478,921 fish stocked over that period.
When Halfmoon Lake is stocked
Halfmoon Lake is typically stocked in spring and summer, most often in May — 27 stocking events in that peak month.
Nearby stocked waters
Other stocked waters near Halfmoon Lake, freshest activity first.
Lake Five
1 mi8 species · 133 records
Last stocked May 2026
Rivers Edge Pond
10 mi1 species · 14 records
Last stocked May 2025
Spoon Lake
6 mi4 species · 105 records
Last stocked June 2017
Pyramid Creek
8 mi1 species · 2 records
Last stocked August 2009
Taylor Spring Creek
10 mi1 species · 13 records
Last stocked June 2000
Deerlick Creek
7 mi2 species · 14 records
Last stocked March 1986
By species
Stocking history
Most recent stockings first. Dates shown at the precision the agency reported.
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 8, 2026 | Brook Trout | 4,435 | 3.64" | Montana fish & wildlife agency |
| April 27, 2025 | Brook Trout | 4,000 | 2.96" | Montana fish & wildlife agency |
| May 25, 2022 | Brook Trout | 4,000 | 2.23" | Montana fish & wildlife agency |
| May 19, 2021 | Brook Trout | 3,600 | 2.75" | Montana fish & wildlife agency |
| July 13, 2020 | Brook Trout | 3,950 | 3" | Montana fish & wildlife agency |
| May 20, 2019 | Brook Trout | 3,500 | 2.5" | Montana fish & wildlife agency |
| June 28, 2018 | Brook Trout | 5,000 | 5" | Montana fish & wildlife agency |
| May 1, 2017 | Brook Trout | 5,000 | 2.43" | Montana fish & wildlife agency |
Show 42 more stocking records →
| Date | Species | Number | Size | Source |
|---|---|---|---|---|
| May 12, 2016 | Brook Trout | 5,500 | 1.97" | Montana fish & wildlife agency |
| May 26, 2015 | Brook Trout | 5,005 | 2" | Montana fish & wildlife agency |
| July 27, 2011 | Largemouth Bass | 5,500 | 1.5" | Montana fish & wildlife agency |
| July 27, 2010 | Largemouth Bass | 5,500 | 1.26" | Montana fish & wildlife agency |
| August 6, 2008 | Largemouth Bass | 5,500 | 1.4" | Montana fish & wildlife agency |
| July 24, 2007 | Largemouth Bass | 2,275 | 1.6" | Montana fish & wildlife agency |
| July 18, 2006 | Largemouth Bass | 3,465 | 1.7" | Montana fish & wildlife agency |
| August 17, 2004 | Largemouth Bass | 5,500 | 1.3" | Montana fish & wildlife agency |
| August 16, 1995 | Arctic Grayling | 23,070 | 0.8" | Montana fish & wildlife agency |
| June 17, 1993 | Brook Trout | 10,580 | 3.6" | Montana fish & wildlife agency |
| June 11, 1987 | Brook Trout | 5,000 | 3" | Montana fish & wildlife agency |
| June 11, 1987 | Brook Trout | 5,000 | 2.9" | Montana fish & wildlife agency |
| May 20, 1986 | Brook Trout | 5,000 | 2" | Montana fish & wildlife agency |
| June 16, 1982 | Brook Trout | 14,976 | 3" | Montana fish & wildlife agency |
| July 20, 1976 | Largemouth Bass | 4,900 | 1" | Montana fish & wildlife agency |
| June 15, 1976 | Largemouth Bass | 70 | 7" | Montana fish & wildlife agency |
| June 24, 1975 | Largemouth Bass | 100 | 8" | Montana fish & wildlife agency |
| May 10, 1974 | Largemouth Bass | 16 | 10" | Montana fish & wildlife agency |
| May 17, 1973 | Cutthroat Trout | 6,014 | 3" | Montana fish & wildlife agency |
| April 13, 1972 | Cutthroat Trout | 6,006 | 4" | Montana fish & wildlife agency |
| May 17, 1971 | Cutthroat Trout | 6,000 | 5" | Montana fish & wildlife agency |
| May 1, 1970 | Cutthroat Trout | 3,267 | 5" | Montana fish & wildlife agency |
| April 30, 1970 | Cutthroat Trout | 3,267 | 5" | Montana fish & wildlife agency |
| October 13, 1969 | Cutthroat Trout | 6,093 | 7" | Montana fish & wildlife agency |
| July 18, 1968 | Cutthroat Trout | 21,120 | 1" | Montana fish & wildlife agency |
| July 16, 1968 | Cutthroat Trout | 760 | 14" | Montana fish & wildlife agency |
| September 19, 1967 | Cutthroat Trout | 5,310 | 2" | Montana fish & wildlife agency |
| September 6, 1966 | Cutthroat Trout | 3,040 | 6" | Montana fish & wildlife agency |
| June 16, 1966 | Arctic Grayling | 60,000 | 0 | Montana fish & wildlife agency |
| May 19, 1965 | Arctic Grayling | 777 | 14" | Montana fish & wildlife agency |
| May 14, 1965 | Arctic Grayling | 401 | 14" | Montana fish & wildlife agency |
| September 30, 1964 | Cutthroat Trout | 5,000 | 3" | Montana fish & wildlife agency |
| May 28, 1964 | Arctic Grayling | 658 | 9" | Montana fish & wildlife agency |
| May 27, 1964 | Arctic Grayling | 768 | 9" | Montana fish & wildlife agency |
| September 17, 1963 | Cutthroat Trout | 7,322 | 6" | Montana fish & wildlife agency |
| May 8, 1963 | Cutthroat Trout | 2,922 | 6" | Montana fish & wildlife agency |
| April 18, 1963 | Cutthroat Trout | 2,862 | 6" | Montana fish & wildlife agency |
| September 19, 1962 | Cutthroat Trout | 15,226 | 3" | Montana fish & wildlife agency |
| May 14, 1962 | Arctic Grayling | 1,544 | 12" | Montana fish & wildlife agency |
| September 5, 1961 | Cutthroat Trout | 12,384 | 2" | Montana fish & wildlife agency |
| September 5, 1961 | Cutthroat Trout | 8,960 | 3" | Montana fish & wildlife agency |
| June 8, 1961 | Arctic Grayling | 150 | 0 | Montana fish & wildlife agency |
Showing 50 of 69 stocking records.
Frequently asked
When was Halfmoon Lake last stocked?
According to Montana fish & wildlife agency, Halfmoon Lake was last stocked May 8, 2026 with Brook Trout.
What fish species are stocked in Halfmoon Lake?
Halfmoon Lake is stocked with Brook Trout, Largemouth Bass, Arctic Grayling, Cutthroat Trout, and Rainbow Trout.
What time of year is Halfmoon Lake stocked?
Halfmoon Lake is typically stocked in spring and summer, most often in May.
How often is Halfmoon Lake stocked?
Halfmoon Lake is stocked intermittently — 69 recorded stockings between 1934 and 2026.
How many fish have been stocked in Halfmoon Lake?
About 478,921 fish have been stocked in Halfmoon Lake across 69 recorded events since 1934, per Montana fish & wildlife agency.
What size are the fish stocked in Halfmoon Lake?
Fish stocked in Halfmoon Lake average about 4.5 inches, based on the sizes the agency reported.