Blackhoof
A 41-acre lake near Mahtowa in Carlton County — best known for bass and pike. Last surveyed 2015.
Fish Species (11)
Largemouth Bass
Above-normal numbers · large fish
Electrofishing survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 107.5 · Electrofishing survey
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 3.00 | 10.8" | 1.49 lbs |
| Aug 17, 2015 | 1.00 | 10.8" | 1.16 lbs |
| Aug 17, 2015 | 107.46 | 10.8" | 0.89 lbs |
Northern Pike
Typical numbers · large fish
Gill-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 7.0 per gill net · typical 2.8–10 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 7.00 | 27.3" | 5.23 lbs |
| Aug 17, 2015 | 0.11 | 27.3" | 7.48 lbs |
| Aug 24, 1998 | 2.00 | 22.3" | 2.65 lbs |
Black Crappie
Typical numbers · large fish
Trap-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 3.6 per trap net · typical 1.9–13 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 2.00 | 8.9" | 0.78 lbs |
| Aug 17, 2015 | 3.56 | 8.9" | 0.49 lbs |
| Aug 24, 1998 | 2.89 | 5.5" | 0.10 lbs |
Walleye
Large fish
Trap-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 0.11 per trap net · typical 0.3–1.9 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 0.11 | 21.0" | 3.20 lbs |
Pumpkinseed
Below-normal numbers · large fish
Trap-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 0.22 per trap net · typical 0.8–7.2 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 0.22 | 7.0" | 0.46 lbs |
| Aug 24, 1998 | 4.00 | 1.6" | - |
| Aug 24, 1998 | 1.00 | 1.6" | - |
Bluegill
Typical numbers · small fish
Trap-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 9.6 per trap net · typical 3.1–24.9 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 9.56 | 5.3" | 0.17 lbs |
| Aug 17, 2015 | 5.00 | 5.3" | 0.12 lbs |
| Aug 24, 1998 | 1.50 | 2.0" | - |
Yellow Perch
Below-normal numbers · average-size fish
Gill-net survey · surveyed Aug 2015
Last surveyed 2015 — treat with caution
Catch rate: 1.0 per gill net · typical 2.5–23.3 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 17, 2015 | 1.00 | 7.0" | 0.10 lbs |
| Aug 24, 1998 | 0.50 | 6.7" | - |
| Aug 24, 1998 | 44.00 | 6.7" | 0.19 lbs |
Other species in this lake (4)
Rough fish, bullheads, and baitfish recorded in DNR surveys — present in the lake, but not typical angling targets.
White Sucker
Above-normal numbers · average-size fish
Gill-net survey · surveyed Aug 1998
Last surveyed 1998 — treat with caution
Catch rate: 29.0 per gill net · typical 1–5.8 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 24, 1998 | 29.00 | 13.0" | 2.24 lbs |
| Aug 24, 1998 | 2.33 | 13.0" | 1.90 lbs |
Black Bullhead
Above-normal numbers · average-size fish
Trap-net survey · surveyed Aug 1998
Last surveyed 1998 — treat with caution
Catch rate: 28.0 per trap net · typical 1.8–26.3 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 24, 1998 | 129.00 | 6.9" | 0.33 lbs |
| Aug 24, 1998 | 28.00 | 6.9" | 0.17 lbs |
| Aug 24, 1998 | 2820.00 | 6.9" | - |
Fathead Minnow
Seining survey · surveyed Aug 1998
Last surveyed 1998 — treat with caution
Catch rate: 1.0 · Seining survey
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 24, 1998 | 7.00 | - | - |
| Aug 24, 1998 | 1.00 | - | - |
Johnny Darter
Seining survey · surveyed Aug 1998
Last surveyed 1998 — treat with caution
Catch rate: 5.5 · Seining survey
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 24, 1998 | 5.50 | - | - |
Biologist Notes
August 17, 2015A standard survey was conducted on Blackhoof Lake during the summer of 2015 to update information about fish populations. There is no public access to…
A standard survey was conducted on Blackhoof Lake during the summer of 2015 to update information about fish populations. There is no public access to Blackhoof Lake. Angling opportunities for Largemouth Bass are notable in Blackhoof Lake with fish up to 18.1 inches sampled. The Largemouth Bass electrofishing catch rate was 107.5 fish per hour, which is above average compared to other Duluth Area Largemouth Bass populations. Average length of sampled bass was 11.2 inches. Northern Pike abundance of 7.0 per gillnet lift was average compared to other Minnesota lakes of similar type. Mean length was excellent at 27.0 inches, and the size structure of the population was good. Northern Pike over 36 inches in length were sampled. Anglers are encouraged to release large Northern Pike to preserve this unique resource. Panfish population density was average compared to other similar Minnesota lakes. Black Crappie average length was 9.2 inches and over 40% exceeded ten inches. Bluegill averaged 5.8 inches with some quality fish available over 8 inches. Yellow Perch were scarce and small.
August 24, 1998Blackhoof is a 39 acre lake located six miles northeast of Barnum, MN. Blackhoof has no public access and a maximum depth of nine feet. Fish populatio…
Blackhoof is a 39 acre lake located six miles northeast of Barnum, MN. Blackhoof has no public access and a maximum depth of nine feet. Fish population investigations have been conducted in 1974 and 1998. Abundance of all but one of the species sampled during the 1998 lake survey were outside expected ranges compared to other Minnesota lakes of similar type. Northern pike, bluegill and pumpkinseed sunfish abundance, indexed with assessment nets, was low. Yellow perch, black bullhead and white sucker abundance, indexed with assessment nets, was high. Black crappie index netting values were within the expected range compared to other Minnesota lakes of similar type. Size structure was poor for all sampled gamefish species. Mean length of black bullhead and white sucker sampled in 1998 was 7.4 and 13.0 inches. Only 2 of 74 fish aged from the 1998 lake survey were older than age III. Yellow perch were growing very fast, reaching 7.6 inches at the beginning of their third year.
Frequently Asked Questions
What fish can you catch in Blackhoof?
Based on Minnesota DNR survey data, anglers target Largemouth Bass, Northern Pike, Black Crappie, Walleye, and Pumpkinseed in Blackhoof. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Blackhoof?
We don't have a confirmed public access point on record for Blackhoof. Check the DNR LakeFinder page for current access details before you go.
How deep is Blackhoof?
Blackhoof has a maximum depth of 9 feet, per Minnesota DNR data.
When were the main sport fish in Blackhoof last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Blackhoof is from 2015. Surveys this old should be treated with some caution — fish populations change over time.
Does Blackhoof have any invasive species?
No invasive species are on record for Blackhoof 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
- 40.89 acres
- Max Depth
- 9 ft
- Shoreline
- 0.97 mi
- Public Access
- Not confirmed