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Bluegill

Bluegill

Bluegill in Colorado are a non-native sunfish species that exist primarily in warm-water environments including suburban ponds, lakes, and reservoirs.

Scientific Name: Lepomis macrochirus

Physical Characteristics:
  • Characterized by their distinctive round, flat body with dark olive to green backs and silver-gray sides blended with copper, orange, purple or brown.
  • They display 5 to 9 dark vertical bars down their sides, a yellow underside, copper breast, and the characteristic dark gill spot that gives them their name.

What to know

Habitat Distribution

  • Colorado's bluegill populations exist primarily in warm-water environments including suburban ponds, lakes, and reservoirs.
  • They prefer slow-moving to stagnant water with abundant cover like aquatic vegetation, fallen timber, docks, and submerged structures.

Specific Spots

  • Target structure-rich areas including docks, fallen trees, weed lines, brush piles, and overhanging vegetation in 1-10 feet of water.
  • Seasonally, they're shallow when water is comfortable, seeking shade under docks and overhanging trees.
  • During extreme summer heat they move to deeper, cooler water and weed beds.
  • In fall, they move to shallow brush piles near banks before retreating to deeper water for winter, often schooling in large groups around deep breaks and cover.

Bluegill FAQ

Answers from onWater's species guide.

What are the best lures and bait for Bluegill in Colorado?

Red worms and nightcrawlers (most productive day-in, day-out), crickets, maggots, and meal worms. Small 1-inch crankbaits, 1/32-ounce jigs with small plastic spiders or grubs, inline spinners like Rooster Tail spinners in 1/16-ounce, Johnson Beetle Spin spinnerbaits, and Mister Twister 1-inch curly tail grubs on jig...

What flies work for Bluegill in Colorado?

Terrestrial patterns like grasshoppers, crickets, ants, and beetles in sizes 12-18, small panfish poppers, woolly buggers in size 12 or smaller, soft hackle wet flies, and small streamers.

When is the best time to fish for Bluegill in Colorado?

Spring is prime bluegill season in Colorado, particularly when water temperatures approach 65-70°F. Winter fishing can be productive when bluegill school in deeper water around deep breaks and cover.

How do you catch Bluegill in Colorado?

Present baits using bobber rigs 12-18 inches above a size 6 Aberdeen hook with small split shot, or fish bottom structure with drop shot rigs. For lures, retrieve slowly while occasionally bumping cover, and strip flies with short movements to imitate struggling insects.

What do Bluegill eat?

Bluegill are omnivorous opportunistic feeders that consume anything fitting in their mouths, including small aquatic insects, baitfish, zooplankton, aquatic invertebrates, terrestrial insects like ants and beetles, small crustaceans, snails, and even plant material when insects are scarce.

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