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Bighead Carp

Bighead Carp

Bighead Carp are large, deep-bodied invasive fish that have established significant populations throughout Nebraska's waterways.

These Asian natives are filter feeders that consume mainly zooplankton, detritus, and algae, lacking true stomachs and feeding almost continuously at water temperatures above 35°F.

Scientific Name: Hypophthalmichthys nobilis

Physical Characteristics:
  • Distinguished by their massive scaleless heads, large toothless mouths with protruding lower jaws, and eyes positioned forward and low on the head projecting downward.
  • Their coloration is dark gray above fading to white below with dark irregular blotches on the sides.
  • They commonly reach 40 pounds but can exceed 100 pounds, with the world record being 125 pounds caught in Missouri.

What to know

Habitat Distribution

  • Found throughout the Missouri River system and have spread up every tributary as far as dams allow.
  • They inhabit the Missouri River, lower reaches of tributary streams, and plunge pools below dams of many southeast Nebraska reservoirs.

Key Locations

  • Missouri River and its major tributaries including the Platte, Elkhorn, Loup, and Big Nemaha rivers.
  • Boyer Chute National Wildlife Refuge and areas around Gavins Point Dam have established populations.
  • On the Platte River west to Lexington, the Elkhorn to Neligh, the Loup to Burwell, and the Big Nemaha to Tecumseh.

Specific Spots

  • Focus on areas with slower current and abundant plankton.
  • Look for them in backwater areas, side channels, and pools below dams where they concentrate.
  • They prefer the upper water column in areas with abundant natural food and low flow, staying in waters with little current but within reach of deeper refuge areas.

Bighead Carp FAQ

Answers from onWater's species guide.

What are the best lures and bait for Bighead Carp in Nebraska?

Traditional baits and lures are largely ineffective since they feed almost continuously on microscopic organisms in the water column.

What flies work for Bighead Carp in Nebraska?

Very small flies that might mimic zooplankton, but success rates remain extremely low.

When is the best time to fish for Bighead Carp in Nebraska?

Most productive during warm water periods from late spring through early fall, with peak activity occurring during midday hours. Avoid targeting them during spawning period in late spring through early summer (May-July) when water temperatures reach 77°F as they focus solely on reproduction rather than feeding.

How do you catch Bighead Carp in Nebraska?

Some specialized techniques used elsewhere involve very small flies or lures that might mimic zooplankton, but success rates remain extremely low compared to other carp species. Focus instead on Silver Carp in the same waters, which are more catchable and often found alongside Bighead Carp.

What do Bighead Carp eat?

Filter feeders that consume mainly zooplankton, detritus, and algae. They can eat 20-120% of their body weight daily and compete directly with native planktivorous species like paddlefish and buffalo.

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