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Green Sunfish

Green Sunfish

Green Sunfish in Wisconsin are small, aggressive panfish with distinctive characteristics that set them apart from other sunfish species.

They are highly adaptable and can tolerate a wide range of environmental conditions, making them successful in various Wisconsin waters including Lake Wisconsin, where they're present alongside other panfish species.

Scientific Name: Lepomis cyanellus

Physical Characteristics:
  • They have larger mouths than most sunfish, thick stocky bodies more closely resembling bass, and three distinct dark spots - one at the back of the dorsal fin, one at the base of the anal fin, and one on the ear plate.
  • Their coloration is blue-green with scattered black flecks and a white to yellow belly, with emerald or bluish spots on the head.

What to know

Habitat Distribution

  • Wisconsin populations are rated S5 (secure) by NatureServe, indicating stable populations statewide.
  • They prefer slow-moving waters like sluggish streams, ponds, and lake shorelines.
  • In Wisconsin, they inhabit shallow bays with aquatic vegetation and backwaters.

Key Locations

  • Lake Wisconsin.

Specific Spots

  • Target them around weedy cover, docks, stumps, rocks, fallen trees, and vegetated shorelines.
  • Focus on shallow bays, backwaters, and areas with mixed structure like logs or stumps in weed beds.

Green Sunfish FAQ

Answers from onWater's species guide.

What are the best lures and bait for Green Sunfish in Wisconsin?

Small artificials including 1/32 to 1/16 ounce jigs with tubes or curly tail grubs in natural colors like green, brown, black, white, or orange. The Johnson Beetle Spin, small spoons, swimbaits, and crankbaits are effective.

What flies work for Green Sunfish in Wisconsin?

Small Foam Ants, Micro Chubby Chernobyls with rubber legs (moved just enough to make legs wiggle), small poppers, and soft hackles in sizes #14-#18.

When is the best time to fish for Green Sunfish in Wisconsin?

April through November, with peak activity during warmer months. Continue fishing through fall as they remain active until water temperatures drop significantly.

How do you catch Green Sunfish in Wisconsin?

Target them around structure where they hide and ambush prey. Green Sunfish are aggressive and will often attack baits and lures larger than other panfish can handle due to their bigger mouths.

What do Green Sunfish eat?

Green Sunfish are omnivores with a preference for live food, feeding on bloodworms, aquatic insects, waxworms, mealworms, crayfish, snails, smaller fish, fish e.g.gs, zooplankton, and invertebrates. Their large mouth allows them to consume prey nearly half their body size, making them more predatory than other sunfish.

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