Survey Report

Lake Audubon
McLean County

March 2026

2025 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

52.2

18.7

7.1-26.8

15.2

0.1-6.2

1.3

Yellow Perch

17.3

6.2

4.7-9.4

6.1

0.1-0.4

0.1

Northern Pike

11.0

3.9

18.1-33.1

26.1

1.2-7.3

3.8

Cisco

5.4

1.9

9.4-18.5

13.3

0.3-3.1

1.2

Common Carp

4.3

1.5

21.7-27.2

25.1

4.1-10.8

6.9

Smallmouth Bass

3.5

1.3

8.3-18.9

14.1

0.2-3.2

1.5

White Sucker

2.2

0.8

12.6-18.9

15.3

0.9-2.8

1.7

Freshwater Drum

1.9

0.7

18.5-22.8

20.9

3.0-6.2

4.4

Goldeye

1.5

0.5

15.7-19.3

17.4

1.3-2.4

1.8

White Bass

0.4

0.1

5.1-5.1

5.1

0.1-0.1

0.1

Pumpkinseed

0.2

0.1

4.3-4.3

4.3

0.0-0.0

0.0

Sauger

0.2

0.1

11.8-11.8

11.8

0.4-0.4

0.4

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

100.0

334.0

2.8-18.9

7.6

0.0-3.5

0.4

2024 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

46.8

18.1

7.1-23.2

14.3

0.1-4.4

1.1

Yellow Perch

24.5

9.5

5.1-9.4

6.6

0.1-0.3

0.1

Smallmouth Bass

7.8

3.0

6.3-18.5

13.2

0.1-2.9

1.3

Northern Pike

7.3

2.8

13.4-39.4

24.2

0.5-11.5

3.0

Cisco

4.1

1.6

8.3-17.7

12.1

0.2-3.0

0.9

Common Carp

2.6

1.0

22.4-29.1

26.5

5.0-9.5

7.8

White Bass

2.1

0.8

5.1-16.5

8.3

0.1-1.9

0.5

White Sucker

1.9

0.7

10.6-21.3

14.9

0.6-3.5

1.7

Freshwater Drum

1.0

0.4

19.3-25.2

22.2

2.9-7.6

5.4

Shorthead Redhorse

0.7

0.3

18.9-21.7

20.2

2.7-4.3

3.5

Bluegill

0.3

0.1

3.5-3.9

3.7

0.0-0.0

0.0

Bigmouth Buffalo

0.2

0.1

37.0-37.0

37.0

Goldeye

0.2

0.1

15.7-15.7

15.7

1.3-1.3

1.3

Pure Muskellunge

0.2

0.1

33.9-33.9

33.9

Tiger Muskellunge

0.2

0.1

38.2-38.2

38.2

12.2-12.2

12.2

Pumpkinseed

0.2

0.1

3.9-3.9

3.9

0.0-0.0

0.0

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

96.8

276.5

2.4-18.5

6.2

0.0-3.2

0.2

Walleye

2.5

5.3

Northern Pike

0.3

0.7

Pumpkinseed

0.3

0.7

2023 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Yellow Perch

35.8

13.7

5.5-9.1

6.5

0.0-0.3

0.1

Walleye

34.4

13.1

6.7-24.8

15.6

0.1-4.4

1.3

Smallmouth Bass

9.2

3.5

5.5-19.3

15.1

0.1-3.5

1.7

Northern Pike

5.2

2.0

15.0-29.5

24.6

0.8-4.7

2.9

Common Carp

4.2

1.6

23.6-29.1

26.0

5.1-11.0

7.3

Cisco

3.8

1.5

8.3-16.9

10.9

0.2-2.1

0.7

Freshwater Drum

2.4

0.9

18.5-26.0

21.9

2.8-10.8

5.1

Goldeye

2.3

0.9

14.6-21.7

18.4

1.2-3.2

2.2

White Sucker

0.9

0.3

9.8-18.9

15.1

1.7-2.6

2.0

Pumpkinseed

0.7

0.3

3.9-4.7

4.3

0.0-0.1

0.1

Channel Catfish

0.3

0.1

23.2-31.1

27.2

3.8-3.8

3.8

Bluegill

0.2

0.1

4.7-4.7

4.7

0.1-0.1

0.1

Green Sunfish

0.2

0.1

4.3-4.3

4.3

0.1-0.1

0.1

Sauger

0.2

0.1

16.9-16.9

16.9

1.8-1.8

1.8

Shorthead Redhorse

0.2

0.1

19.7-19.7

19.7

3.4-3.4

3.4

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

72.9

299.0

2.0-18.9

6.7

0.0-3.0

0.4

Bluegill

11.2

46.0

Walleye

9.0

37.0

Spottail Shiner

2.9

12.0

Common Carp

2.7

11.0

Yellow Perch

0.7

3.0

Freshwater Drum

0.2

1.0

Pure Muskellunge

0.2

1.0

37.0-37.0

37.0

6.4-6.4

6.4

2022 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

54.2

14.5

7.1-26.0

16.3

0.1-6.0

1.5

Northern Pike

15.2

4.1

21.3-43.7

27.7

1.8-18.3

4.7

Common Carp

10.9

2.9

20.5-28.0

25.4

3.9-8.6

6.5

Smallmouth Bass

5.5

1.5

13.0-20.1

15.7

1.1-2.9

1.9

Yellow Perch

4.0

1.1

5.1-7.9

6.3

0.0-0.2

0.1

Cisco

3.5

0.9

7.9-16.9

12.8

0.2-2.2

1.0

White Sucker

2.0

0.5

15.7-19.3

17.0

1.7-3.1

2.1

Tiger Muskellunge

1.5

0.4

31.5-39.4

35.0

6.3-15.0

9.4

Freshwater Drum

1.2

0.3

18.5-21.7

20.5

3.4-4.5

4.2

Goldeye

1.0

0.3

15.0-20.1

17.7

0.9-2.4

1.8

White Bass

0.5

0.1

16.5-17.7

17.1

1.8-2.1

1.9

Channel Catfish

0.2

0.1

17.7-17.7

17.7

1.4-1.4

1.4

Pure Muskellunge

0.2

0.1

35.0-35.0

35.0

8.2-8.2

8.2

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

83.8

331.0

2.8-18.5

6.5

0.0-3.2

0.2

Spottail Shiner

10.6

42.0

Yellow Perch

1.8

7.0

Bluegill

1.0

4.0

Walleye

1.0

4.0

Crappie Species

0.8

3.0

Common Carp

0.5

2.0

Freshwater Drum

0.3

1.0

Northern Pike

0.3

1.0

2021 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 240'

Catch

Net

Range

Average

Range

Average

Yellow Perch

48.7

38.0

4.7-8.3

6.5

Walleye

26.9

21.0

6.7-17.3

14.9

0.1-1.6

1.0

Common Carp

6.4

5.0

24.4-28.3

25.7

4.3-8.3

6.2

Channel Catfish

6.4

5.0

22.4-23.6

23.1

4.0-4.9

4.5

Northern Pike

5.1

4.0

26.4-33.9

29.8

3.9-8.1

5.6

Goldeye

2.6

2.0

15.7-19.7

17.7

1.4-2.6

2.0

Smallmouth Bass

2.6

2.0

13.0-15.0

14.0

1.1-1.6

1.3

White Bass

1.3

1.0

15.7-15.7

15.7

1.5-1.5

1.5

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Yellow Perch

52.3

30.9

4.3-8.7

6.1

0.1-0.3

0.1

Walleye

27.2

16.1

6.7-24.8

15.7

0.1-4.4

1.4

Smallmouth Bass

5.7

3.4

7.1-17.7

14.3

0.2-2.9

1.7

Northern Pike

5.2

3.1

20.5-40.9

27.4

1.8-10.6

4.2

Cisco

2.8

1.6

8.3-17.7

14.0

0.2-2.4

1.3

Common Carp

2.1

1.2

21.7-27.6

25.8

4.1-10.1

7.0

White Sucker

1.3

0.8

14.6-18.9

17.1

1.4-3.0

2.2

Freshwater Drum

0.8

0.5

19.7-22.8

21.2

3.2-5.7

4.2

Orangespotted Sunfish

0.7

0.4

3.5-5.1

4.2

0.1-0.1

0.1

White Bass

0.6

0.4

7.1-16.5

13.9

0.1-2.5

1.5

Goldeye

0.5

0.3

16.9-20.9

19.3

1.6-2.9

2.3

Channel Catfish

0.4

0.2

24.0-27.6

26.1

5.8-7.7

6.8

Tiger Muskellunge

0.2

0.1

33.9-33.9

33.9

7.9-7.9

7.9

Bluegill

0.1

4.7-4.7

4.7

0.1-0.1

0.1

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

54.9

268.0

2.8-16.9

6.2

0.0-2.6

0.2

Bluegill

16.2

79.0

Yellow Perch

15.6

76.0

Walleye

6.8

33.0

Emerald Shiner

4.3

21.0

Northern Pike

0.8

4.0

Common Carp

0.6

3.0

Orangespotted Sunfish

0.4

2.0

White Bass

0.2

1.0

White Sucker

0.2

1.0

2020 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

43.3

19.9

8.3-29.1

14.3

0.1-6.4

1.1

Yellow Perch

22.3

10.3

4.7-10.2

6.1

0.1-0.4

0.1

Cisco

15.1

6.9

7.9-18.9

13.9

0.1-2.9

1.4

Smallmouth Bass

5.7

2.6

7.9-18.1

14.8

0.2-2.7

1.7

Common Carp

4.1

1.9

15.0-29.5

25.4

1.6-9.2

6.5

Northern Pike

2.8

1.3

22.4-39.4

31.0

2.4-15.4

8.0

White Sucker

2.5

1.1

13.4-19.3

16.8

1.2-3.0

2.2

Freshwater Drum

1.4

0.7

19.3-22.8

21.2

3.5-5.6

4.6

Goldeye

1.3

0.6

16.5-20.7

18.4

1.4-3.6

2.6

Channel Catfish

0.9

0.4

19.7-25.6

22.4

2.9-6.7

4.3

White Bass

0.4

0.2

14.6-16.5

15.6

1.7-1.8

1.8

Lake Whitefish

0.3

0.1

19.3-21.7

20.5

3.3-3.5

3.4

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

74.5

196.0

2.8-17.7

6.9

0.0-2.7

0.2

Yellow Perch

11.4

30.0

Bluegill

8.7

23.0

Walleye

3.4

9.0

Common Carp

1.1

3.0

Freshwater Drum

0.4

1.0

Tiger Muskellunge

0.4

1.0

26.8-26.8

26.8

3.5-3.5

3.5

2019 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

50.9

19.7

6.7-27.2

15.0

0.1-5.1

1.2

Yellow Perch

11.5

4.5

5.5-10.6

6.5

0.1-0.6

0.1

Northern Pike

7.0

2.7

15.7-40.9

30.6

0.7-17.3

5.6

Smallmouth Bass

6.4

2.5

6.7-18.5

14.6

0.1-3.3

1.6

Cisco

6.2

2.4

12.6-17.3

16.0

0.7-2.3

1.4

White Sucker

5.2

2.0

9.8-20.5

16.5

0.3-3.3

2.0

Common Carp

5.0

1.9

21.7-27.6

25.5

4.1-9.4

6.5

Channel Catfish

2.4

0.9

16.9-23.6

20.8

1.4-5.0

3.0

Freshwater Drum

1.9

0.7

18.7-21.7

20.4

2.8-5.4

4.1

Pure Muskellunge

1.0

0.4

29.1-36.2

31.2

5.3-15.3

7.8

White Bass

0.7

0.3

13.4-16.9

15.4

1.7-2.2

1.9

Goldeye

0.5

0.2

18.7-19.7

19.4

2.4-3.0

2.7

Sauger

0.5

0.2

17.3-19.3

18.2

1.5-1.8

1.7

Bluegill

0.3

0.1

4.7-5.1

4.9

0.1-0.1

0.1

Lake Whitefish

0.3

0.1

20.7-21.7

21.2

3.3-3.9

3.6

Shorthead Redhorse

0.2

0.1

18.9-18.9

18.9

3.2-3.2

3.2

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

62.9

273.7

2.8-18.5

7.4

0.0-3.0

0.3

Bluegill

18.0

110.6

Walleye

7.5

44.8

Common Carp

4.6

18.5

Yellow Perch

2.7

15.3

White Sucker

1.7

7.5

Spottail Shiner

1.4

9.0

Freshwater Drum

0.6

2.9

Northern Pike

0.4

2.6

Paddlefish

0.2

0.8

2018 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

43.9

22.5

6.7-28.3

14.1

0.1-6.8

1.1

Yellow Perch

18.3

9.4

5.1-10.2

6.2

0.1-0.4

0.1

Cisco

14.3

7.3

7.9-22.4

14.1

0.2-4.2

1.5

Smallmouth Bass

7.0

3.6

5.9-17.7

14.5

0.1-2.8

1.6

Northern Pike

5.3

2.7

11.0-41.7

30.3

0.3-10.6

5.0

White Sucker

3.1

1.6

8.9-19.7

15.7

0.3-2.4

1.6

Common Carp

2.9

1.5

22.6-27.6

25.4

4.8-8.7

6.3

Freshwater Drum

1.9

1.0

18.6-27.6

20.7

3.1-6.8

4.1

White Bass

1.3

0.7

8.3-16.5

13.4

0.8-2.1

1.3

Goldeye

1.0

0.5

14.8-21.7

17.7

1.1-3.4

2.1

Bluegill

0.3

0.1

3.9-5.1

4.5

0.0-0.1

0.1

Channel Catfish

0.1

26.8-26.8

26.8

Lake Whitefish

0.1

22.6-22.6

22.6

4.9-4.9

4.9

Pure Muskellunge

0.1

25.6-25.6

25.6

3.9-3.9

3.9

Tiger Muskellunge

0.1

34.3-34.3

34.3

Shorthead Redhorse

0.1

16.7-16.7

16.7

2.4-2.4

2.4

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Yellow Perch

51.6

280.0

Smallmouth Bass

34.1

185.0

3.1-18.9

7.2

0.0-3.1

0.3

Bluegill

12.5

68.0

White Sucker

0.7

4.0

Common Carp

0.4

2.0

Freshwater Drum

0.4

2.0

Northern Pike

0.2

1.0

Walleye

0.2

1.0

2017 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

49.9

23.4

6.7-29.9

15.2

0.1-6.2

1.2

Cisco

22.0

10.3

8.3-18.5

15.2

0.2-2.8

1.4

Yellow Perch

12.5

5.9

5.1-9.4

6.6

0.1-0.4

0.1

Northern Pike

4.7

2.2

20.1-39.8

31.5

1.8-14.2

6.7

Goldeye

3.0

1.4

13.8-20.7

17.4

1.1-3.5

2.0

Smallmouth Bass

2.4

1.1

7.1-17.7

13.1

0.2-2.4

1.3

White Sucker

2.0

0.9

13.8-18.7

16.6

1.1-3.0

2.0

Common Carp

1.8

0.9

19.7-27.6

25.1

3.3-7.7

6.2

Freshwater Drum

0.4

0.2

19.7-21.7

20.7

3.8-5.1

4.2

Sauger

0.4

0.2

15.0-17.7

16.3

0.9-1.6

1.2

Tiger Muskellunge

0.3

0.1

26.8-27.2

27.0

2.9-4.6

3.8

White Bass

0.3

0.1

9.4-18.1

13.8

0.4-3.0

1.7

Pure Muskellunge

0.1

24.8-24.8

24.8

3.0-3.0

3.0

Shorthead Redhorse

0.1

20.7-20.7

20.7

3.8-3.8

3.8

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

56.0

237.1

2.8-17.7

7.1

0.0-2.4

0.3

Yellow Perch

20.5

108.3

Walleye

15.3

67.1

Bluegill

5.0

26.7

Common Carp

0.9

4.2

Northern Pike

0.9

3.3

White Sucker

0.7

3.8

Freshwater Drum

0.5

2.5

Chinook Salmon

0.2

0.8

16.1-16.1

16.1

1.6-1.6

1.6

2016 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

32.9

19.8

6.3-28.3

14.0

0.1-7.5

1.1

Yellow Perch

26.7

16.1

5.1-11.8

6.6

0.1-0.8

0.1

Cisco

24.6

14.8

7.9-18.7

14.5

0.2-3.1

1.3

Northern Pike

4.2

2.5

20.5-39.4

31.0

1.7-10.2

6.1

Smallmouth Bass

3.5

2.1

6.3-17.3

14.2

0.1-2.3

1.5

White Sucker

2.5

1.5

13.8-18.7

16.4

1.3-3.2

2.1

Common Carp

2.2

1.3

21.7-28.5

25.5

4.5-9.7

6.6

Freshwater Drum

1.5

0.9

18.7-23.6

20.6

3.0-6.0

4.3

Goldeye

0.9

0.5

15.7-21.7

18.7

1.3-4.0

2.7

White Bass

0.7

0.4

5.9-15.7

10.3

0.1-1.3

0.6

Bigmouth Buffalo

0.1

35.4-35.4

35.4

Channel Catfish

0.1

24.0-24.0

24.0

6.3-6.3

6.3

Tiger Muskellunge

0.1

20.1-20.1

20.1

1.8-1.8

1.8

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Yellow Perch

39.5

198.9

Smallmouth Bass

33.9

157.1

3.1-19.3

9.1

0.0-3.7

0.7

Walleye

13.5

67.0

Common Carp

11.5

46.5

Freshwater Drum

0.7

2.9

Northern Pike

0.7

3.2

White Sucker

0.2

1.1

2015 Survey Year

Fish Per

Length (Inches)

Weight (Pounds)

Variegated Mesh 6' x 250'

Catch

Net

Range

Average

Range

Average

Walleye

39.6

18.9

6.7-26.8

14.0

0.1-6.3

1.0

Cisco

29.9

14.3

8.9-18.7

14.6

0.2-3.2

1.3

Yellow Perch

16.0

7.6

5.1-11.0

6.8

0.1-0.7

0.2

Northern Pike

4.2

2.0

24.0-37.8

31.2

2.4-12.3

7.2

Smallmouth Bass

2.7

1.3

12.2-17.7

14.6

0.9-2.3

1.6

Common Carp

1.9

0.9

18.7-27.6

25.0

2.7-7.3

5.7

White Sucker

1.9

0.9

15.7-19.7

17.2

1.7-2.9

2.2

Goldeye

1.8

0.9

15.7-19.7

17.8

1.5-3.4

2.2

Freshwater Drum

0.7

0.4

18.7-22.6

20.3

2.8-4.8

3.7

White Bass

0.6

0.3

13.0-13.8

13.2

1.0-1.5

1.1

Tiger Muskellunge

0.3

0.1

26.8-27.6

27.2

4.2-4.2

4.2

Bigmouth Buffalo

0.1

Channel Catfish

0.1

18.9-18.9

18.9

2.2-2.2

2.2

Fish Per

Length (Inches)

Weight (Pounds)

Electrofishing-Boat

Catch

Hour

Range

Average

Range

Average

Smallmouth Bass

49.3

172.0

2.8-17.7

8.5

0.0-2.6

0.5

Yellow Perch

24.6

86.0

3.5-5.9

4.8

0.0-0.1

0.1

Spottail Shiner

10.0

35.0

Walleye

5.7

20.0

5.5-16.1

7.1

0.0-1.6

0.2

Common Carp

5.4

19.0

Bluegill

2.0

7.0

3.9-6.3

5.2

0.1-0.2

0.1

White Sucker

1.4

5.0

Freshwater Drum

1.1

4.0

Northern Pike

0.3

1.0

26.4-26.4

26.4

3.8-3.8

3.8

Lake AudubonMcLean County

Lake Audubon
McLean County