Dorothy
A 7-acre lake near Mankato in Blue Earth County — best known for panfish. Last surveyed 1992.
Fish Species (11)
Black Crappie
Above-normal numbers
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 30.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 30.00 | - | 0.06 lbs |
| Aug 2, 1990 | 128.50 | - | 0.07 lbs |
Hybrid Sunfish
Above-normal numbers
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 3.7 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 3.67 | - | 0.08 lbs |
Bluegill
Above-normal numbers
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 59.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 59.00 | - | 0.06 lbs |
| Aug 2, 1990 | 131.00 | - | 0.07 lbs |
White Crappie
Above-normal numbers
Trap-net survey · surveyed Aug 1990
Last surveyed 1990 — treat with caution
Catch rate: 2.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 2, 1990 | 2.00 | - | 0.62 lbs |
Green Sunfish
Above-normal numbers
Trap-net survey · surveyed Aug 1990
Last surveyed 1990 — treat with caution
Catch rate: 1.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 2, 1990 | 1.00 | - | 0.06 lbs |
Northern Pike
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 1.3 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 1.33 | - | 3.33 lbs |
Largemouth Bass
Trap-net survey · surveyed Aug 1990
Last surveyed 1990 — treat with caution
Catch rate: 13.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 2, 1990 | 13.00 | - | 1.31 lbs |
Walleye
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 1.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 1.00 | - | 2.60 lbs |
| Aug 2, 1990 | 1.00 | - | 2.65 lbs |
Other species in this lake (3)
Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.
Black Bullhead
Above-normal numbers
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 3.0 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 3.00 | - | 0.50 lbs |
| Aug 2, 1990 | 13.50 | - | 0.20 lbs |
Golden Shiner
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 21.7 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 21.67 | - | 0.07 lbs |
| Aug 2, 1990 | 10.00 | - | 0.05 lbs |
Common Carp
Trap-net survey · surveyed May 1992
Last surveyed 1992 — treat with caution
Catch rate: 0.33 per trap net
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| May 4, 1992 | 0.33 | - | 0.94 lbs |
| Aug 2, 1990 | 7.50 | - | 1.01 lbs |
Biologist Notes
May 4, 1992PANFISH ARE DOMINATED BY SMALL, SLOW GROWING BLG AND BLC. BLG AVERAGED 59.00/TRAP NET COMPARED TO 131.00/TRAP NET IN 1990. BLG CONTINUE TO BE SLOW GRO…
PANFISH ARE DOMINATED BY SMALL, SLOW GROWING BLG AND BLC. BLG AVERAGED 59.00/TRAP NET COMPARED TO 131.00/TRAP NET IN 1990. BLG CONTINUE TO BE SLOW GROWING. AVERAGING 4.7 INCHES AT AGE 4 IN 1990 AND 4.9 INCHES AT AGE 4 IN 1992. THREE AGE CLASSES ARE PRESENT - 1,3, AND 4 WITH 1 AND 4 YEAR OLDS DOMINATING. FEW BLG SAMPLED EXCEED 5.5 INCHES, WITH A MEDIAN LENGTH IN THE 4.0-4.4 INCH LENGTH CLASS. BLC ARE DOMINATED BY SMALL FISH, WITH NONE EXCEEDING 5.4 INCHES. BLC CONTINUE TO GROW SLOWLY, AVERAGING 4.4 INCHES AT AGE 3 COMPARED TO THE STATE AVERAGE OF 6.8 INCHES. CRAPPIES ARE REPRESENTED BY AGES 2-4 COMPARED TO THE 2 AND 3 YEAR OLDS NETTED IN 1990. NOP WERE SAMPLED FOR THE FIRST TIME, WITH FOUR FISH NETTED, PROBABLY CORRESPONDING TO THE 8 ADULTS STOCKED IN APRIL 1992. THREE WAE WERE NETTED; THEY ARE PROBABLY FISH STOCKED AS ADULTS IN 1991 AND 1992. THESE WAE WERE NOT AGED. GOS ARE ABUNDANT, AVERAGING 21.67/TRAP NET COMPARED TO 10.00/TRAP NET IN 1990. OTHER SPECIES SAMPLED IN LOW NUMBERS INCLUDE CARP, BLB, AND HSF.
August 2, 1990CATCH RATES ARE PROBABLY SKEWED HIGH DUE TO THE LOW WATER CONDITIONS DURING THE SURVEY, WHICH MAY HAVE CONCENTRATED FISH. BLG CATCH RATES REMAIN HIGH…
CATCH RATES ARE PROBABLY SKEWED HIGH DUE TO THE LOW WATER CONDITIONS DURING THE SURVEY, WHICH MAY HAVE CONCENTRATED FISH. BLG CATCH RATES REMAIN HIGH AVERAGING 131.00/TRAP NET COMPARED TO 134.67/ TRAP NET IN 1985. BLG ARE SLOW GROWING AFTER THEIR SECOND YEAR OF GROWTH. BLG AVERAGE 4.7 INCHES AT 4 YEARS OLD COMPARED TO THE STATE AVERAGE OF 6.1 INCHES. BLG SAMPLED IN 1985 WERE DOMINATED BY 3 YEAR OLDS WHICH EXHIBITED NORMAL GROWTH. BLC ARE ABUNDANT AVERAGING 128.50/TRAP NET COMPARED TO 14.00/TRAP NET SAMPLED IN 1985. BLC ARE DOMINATED BY 3 YEAR OLDS (92%). BLC ARE GROWING SLOWLY AVERAGING 4.0 INCHES COMPARED TO THE STATE AVERAGE OF 6.8 INCHES AT 4 YEARS OLD. FOUR WHC WERE SAMPLED AND ARE REPRESENTED BY LARGE (9.5-11.9 INCHES). LMB WERE WELL REPRESENTED IN NETTING AVERAGING 13.00/TRAP NET. LMB HAVE A FAVORABLE AGE CLASS DISTRIBUTION WITH 2-8 AGE CLASSES SAMPLED, WITH 4 YEAR OLDS DOMINATING (44%) TWO LARGE WAE WERE SAMPLED AND PROBABLY WERE STOCKED ALONG WITH PANFISH IN THE PAST. BLB WERE SAMPLED IN LOW NUMBERS AVERAGING 13.50/TRAP NET COMPARED TO 75.00/TRAP NET IN 1985. CAP WERE FIRST SAMPLED AVERAGING 7.50/TRAP NET. GOS AND GSF WERE FIRST SAMPLED AVERAGING 10.00 AND 1.00/ TRAP NET RESPECTIVELY.
Frequently Asked Questions
What fish can you catch in Dorothy?
Based on Minnesota DNR survey data, anglers target Black Crappie, Hybrid Sunfish, Bluegill, White Crappie, and Green Sunfish in Dorothy. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Dorothy?
We don't have a confirmed public access point on record for Dorothy. Check the DNR LakeFinder page for current access details before you go.
How deep is Dorothy?
Dorothy has a maximum depth of 17 feet, per Minnesota DNR data.
When were the main sport fish in Dorothy last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Dorothy is from 1992. Surveys this old should be treated with some caution — fish populations change over time.
Does Dorothy have any invasive species?
No invasive species are on record for Dorothy in Minnesota DNR data. Always clean, drain, and dry your equipment to help keep it that way.
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Lake Details
- Surface Area
- 7.35 acres
- Max Depth
- 17 ft
- Shoreline
- 0.63 mi
- Public Access
- Not confirmed