Emerald
A 77-acre lake near Crane Lake in St. Louis County — best known for panfish. Last surveyed 1984.
Fish Species (3)
Yellow Perch
Typical numbers · average-size fish
Gill-net survey · surveyed Aug 1984
Last surveyed 1984 — treat with caution
Catch rate: 4.0 per gill net · typical 1–8 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1984 | 4.00 | - | 0.12 lbs |
| Aug 20, 1974 | 1.00 | - | 0.25 lbs |
Green Sunfish
Gill-net survey · surveyed Aug 1974
Last surveyed 1974 — treat with caution
Catch rate: 2.3 per gill net · typical 0.3–2.5 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 20, 1974 | 2.33 | - | 0.10 lbs |
Other species in this lake (1)
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 1984
Last surveyed 1984 — treat with caution
Catch rate: 33.0 per gill net · typical 1.5–10.4 for a lake like this
Survey History
| Date | Catch Rate | Avg Length | Avg Weight |
|---|---|---|---|
| Aug 14, 1984 | 33.00 | - | 0.86 lbs |
| Aug 20, 1974 | 11.00 | - | 1.62 lbs |
Biologist Notes
August 14, 1984The 1984 assessment showed Emerald Lake has an extremely simple species complex with gillnet catches consisting of large numbers of small suckers (mea…
The 1984 assessment showed Emerald Lake has an extremely simple species complex with gillnet catches consisting of large numbers of small suckers (mean length = 12.5 yellow perch. Green sunfish are known to be present but were not captured in the 1984 netting.
August 20, 1974Large populations of Sucker and Green Sunfish. Perch are present in low numbers.
Large populations of Sucker and Green Sunfish. Perch are present in low numbers.
Frequently Asked Questions
What fish can you catch in Emerald?
Based on Minnesota DNR survey data, anglers target Yellow Perch in Emerald. See the full species list above for catch rates, size structure, and quality scores.
Is there public access at Emerald?
We don't have a confirmed public access point on record for Emerald. Check the DNR LakeFinder page for current access details before you go.
How deep is Emerald?
Emerald has a maximum depth of 34 feet, per Minnesota DNR data.
When were the main sport fish in Emerald last surveyed?
The most recent Minnesota DNR survey data for the main sport fish in Emerald is from 1984. Surveys this old should be treated with some caution — fish populations change over time.
Does Emerald have any invasive species?
No invasive species are on record for Emerald 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
- 77.17 acres
- Max Depth
- 34 ft
- Shoreline
- 2.29 mi
- Public Access
- Not confirmed