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Common Carp

Common Carp

Common Carp are a non-native species widely distributed throughout Colorado's rivers, lakes, and reservoirs, particularly in lower elevation areas on the eastern plains, foothills, and western slope.

Originally introduced from Eurasia, carp have established themselves in many Colorado waters.

Scientific Name: Cyprinus carpio

Physical Characteristics:
  • These robust fish are light gold to dark brown in color with reddish fins, featuring scales covering their entire body and distinctive barbels on each side of their mouth.
  • Adults can reach up to 122 cm in length.

What to know

Habitat Distribution

  • Widely distributed throughout Colorado's rivers, lakes, and reservoirs, particularly in lower elevation areas on the eastern plains, foothills, and western slope.

Key Locations

  • South Platte River system, Pueblo Reservoir, Boyd Lake, Chatfield Reservoir, numerous urban ponds and canals throughout the Front Range, Boyd Lake near Loveland, Pueblo Reservoir's shallow flats, Chatfield Reservoir's southern end, Union and Lagerman Reservoirs near Longmont, various city ponds throughout Fort Collins and Denver metro areas, South Platte River through Denver and Brighton.

Specific Spots

  • Target shallow bays, vegetated areas, and urban ponds.
  • Look for tailing fish (head down, tail up feeding) or fish moving slowly with side-to-side movement - these 'shoppers' are actively feeding.

Common Carp FAQ

Answers from onWater's species guide.

What flies work for Common Carp in Colorado?

Top producers include Black and Maroon backstabbers, Chartreuse Headstands (excellent in green-tinged water), White Eggs (effective on cruising fish), Green CDC Nymphs, Carp Hybrids, and soft hackles.

When is the best time to fish for Common Carp in Colorado?

In Colorado, carp fishing peaks from late April through September, with the best action occurring during the first six weeks after they move shallow in spring (late April to early June). Carp remain active in rivers during winter, though they're spookier and stay deeper.

How do you catch Common Carp in Colorado?

Sight fishing with the drag-and-drop technique - cast beyond the fish, strip line to position your fly, then drop it in front of feeding carp.

What do Common Carp eat?

Carp are omnivorous opportunistic feeders with a diverse diet including zooplankton, aquatic insects (chironomid larvae, mayflies), planktonic crustaceans, detritus, macrophytes, and even small fish. In Colorado waters, they commonly consume 36% zooplankton and 31% phytoplankton by volume.

Where do Common Carp live in Colorado?

Widely distributed throughout Colorado's rivers, lakes, and reservoirs, particularly in lower elevation areas on the eastern plains, foothills, and western slope.

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