Big Diamond
A 156-acre lake near Holman in Itasca County — best known for panfish and pike. Last surveyed 1986.
Fish Species (10)
Yellow Perch
Below-normal numbers · large fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 1.0 per gill net · typical 2–21.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 1.00 | - | 0.45 lbs |
| Jul 7, 1980 | 0.40 | - | 0.20 lbs |
Black Crappie
Below-normal numbers · large fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 0.75 per gill net · typical 1–4.8 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 0.75 | - | 0.40 lbs |
| Jul 7, 1980 | 0.60 | - | 0.80 lbs |
Northern Pike
Typical numbers · average-size fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 8.5 per gill net · typical 4.8–12.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 8.50 | - | 1.64 lbs |
| Jul 2, 1986 | 0.25 | - | 1.30 lbs |
| Jul 7, 1980 | 4.60 | - | 2.14 lbs |
Pumpkinseed
Below-normal numbers · large fish
Trap-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 1.3 per trap net · typical 2.8–10.3 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 3.50 | - | 0.13 lbs |
| Jul 2, 1986 | 1.25 | - | 0.24 lbs |
| Jul 7, 1980 | 2.00 | - | 0.19 lbs |
Largemouth Bass
Large fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 0.5 per gill net · typical 0.3–1.8 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 0.50 | - | 1.75 lbs |
| Jul 7, 1980 | 0.25 | - | 3.40 lbs |
| Jul 7, 1980 | 0.60 | - | 2.93 lbs |
Bluegill
Typical numbers · average-size fish
Trap-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 11.0 per trap net · typical 8.3–50.1 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 11.00 | - | 0.15 lbs |
| Jul 2, 1986 | 4.50 | - | 0.13 lbs |
| Jul 7, 1980 | 12.75 | - | 0.20 lbs |
Rock Bass
Typical numbers · small fish
Trap-net survey · surveyed Jul 1980
Last surveyed 1980 — treat with caution
Catch rate: 0.5 per trap net · typical 0.5–1.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 7, 1980 | 0.50 | - | 0.25 lbs |
| Jul 7, 1980 | 0.20 | - | 1.00 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.
Yellow Bullhead
Typical numbers · large fish
Trap-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 3.5 per trap net · typical 2.1–10.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 1.50 | - | 0.63 lbs |
| Jul 2, 1986 | 3.50 | - | 0.66 lbs |
| Jul 7, 1980 | 5.00 | - | 0.56 lbs |
Brown Bullhead
Large fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 0.25 per gill net · typical 0.5–4.3 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 0.25 | - | 1.20 lbs |
White Sucker
Below-normal numbers · average-size fish
Gill-net survey · surveyed Jul 1986
Last surveyed 1986 — treat with caution
Catch rate: 0.25 per gill net · typical 0.5–2.3 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Jul 2, 1986 | 0.25 | - | 2.00 lbs |
| Jul 7, 1980 | 0.40 | - | 1.25 lbs |
Biologist Notes
July 2, 1986NORTHERN PIKE NUMBERS ARE AT HIGH LEVELS AND YELLOW PERCH ABUNDANCE IS LOW. ALL OTHER SPECIES ARE WITHIN NORMAL LIMITS FOR THIS TYPE OF LAKE.
NORTHERN PIKE NUMBERS ARE AT HIGH LEVELS AND YELLOW PERCH ABUNDANCE IS LOW. ALL OTHER SPECIES ARE WITHIN NORMAL LIMITS FOR THIS TYPE OF LAKE.
July 7, 1980Fish population is within normal limits for this type of lake.
Fish population is within normal limits for this type of lake.
Frequently Asked Questions
What fish can you catch in Big Diamond?
Based on Minnesota DNR survey data, anglers target Yellow Perch, Black Crappie, Northern Pike, Pumpkinseed, and Largemouth Bass in Big Diamond. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Big Diamond?
We don't have a confirmed public access point on record for Big Diamond. Check the DNR LakeFinder page for current access details before you go.
How deep is Big Diamond?
Big Diamond has a maximum depth of 31 feet, per Minnesota DNR data.
When were the main sport fish in Big Diamond last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Big Diamond is from 1986. Surveys this old should be treated with some caution — fish populations change over time.
Does Big Diamond have any invasive species?
No invasive species are on record for Big Diamond 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
- 155.83 acres
- Max Depth
- 31 ft
- Shoreline
- 3.07 mi
- Public Access
- Not confirmed