Minnesota Lake File

Island Lake — Mahnomen County, MN

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Fish species

• black bullhead
• black crappie
• bluegill
• brown bullhead
• hybrid sunfish
• largemouth bass
• northern pike
• pumpkinseed
• rock bass
• walleye
• yellow perch

Latest DNR survey (2025-07-21)

Species	CPUE	Avg lbs
BLB	0.08	0.18
YEP	1.08	0.17
NOP	11.44	2.85
RKB	1.11	0.51
NOP	0.25	3.08
HSF	0.11	0.68
RKB	0.67	0.21
WAE	3.78	2.80
LMB	0.33	2.57
BLG	21.11	0.20

CPUE = catch per unit effort in the DNR's nets. Source: Minnesota DNR LakeFinder.

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