The 1957 State of Stocking
Every fish stocking event US state agencies reported in 1957, normalized into one dataset — totals by state and species, how the year compares to 1956, and the biggest movers.
1,080
stocking events
1
states reporting
10
species stocked
+3%
vs 1956
Agencies reported roughly 16,502,326 fish where a count was given — but only 100% of 1957 events include a quantity, so event counts are the reliable headline; treat fish totals as a floor.
Biggest increases vs 1956
Biggest decreases vs 1956
By state
| State | Events | Fish* | vs 1956 |
|---|---|---|---|
| Montana | 1,080 | 16,502,326 | +3% |
By species
| Species | Events | Fish* | vs 1956 |
|---|---|---|---|
| Rainbow Trout | 802 | 7,154,281 | +0% |
| Cutthroat Trout | 142 | 3,052,415 | +14% |
| Largemouth Bass | 40 | 62,280 | +25% |
| Bluegill | 33 | 961,700 | +43% |
| Kokanee | 31 | 2,674,647 | +55% |
| Walleye | 16 | 1,261,000 | -16% |
| Brook Trout | 3 | 15,861 | +200% |
| Yellow Perch | 2 | 400 | — |
| Lake Trout | 1 | 94,000 | +0% |
| Northern Pike | 1 | 60,000 | -67% |
Other years
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Use this report. The full 1957 dataset is a free CSV download (CC BY 4.0): 1957 stocking events (CSV). *Fish totals cover only events reporting a count — see the methodology and how to cite.