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Knobfin sculpin

Cottus immaculatus

Family
Cottidae
Max Length
9 cm
Max Weight
0.3 kg
IUCN Status
LC
Water Type
freshwater
Fishing Spots
1

Overview

The knobfin sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Current, Eleven Point, Spring and White river systems in the Ozark Highlands of Arkansas and Missouri. An invasive non-native introduced population is present in the Pomperaug River drainage in Connecticut. It reaches a maximum length of 9.0 cm. It prefers rocky riffles of headwaters and creeks.

Best Baits & Lures

Live Baits

  • Nightcrawlers

    Pieces work better; don't overload the hook.

  • Waxworms

    Small size is ideal; wiggles attract fish.

  • Mealworms

    Hook through the body; readily available.

  • Small minnows

    Use a small hook through the lips.

  • Crickets

    Effective in clear, shallow water.

Artificial Lures

  • Mepps Aglia #0Spinner

    Small size is key for sculpins.

    Buy
  • Panther Martin Classic Spinner - 1/16 ozSpinner

    Silver or gold finish, slow retrieve.

    Buy
  • Berkley Gulp! Alive! Minnow - 1 inchSoft Plastic

    Chartreuse or white colors.

    Buy
  • Crappie MagnetSoft Plastic

    Small size, various colors; effective jig trailer.

    Buy
  • Blue Fox Classic Vibrax - Size 1Spinner

    Creates vibration to attract sculpin.

    Buy

Techniques

Use light tackle and focus on the stream bottom near rocks and debris where Knobfin sculpin hide; a slow, deliberate presentation is often best.

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Frequently Asked Questions

What is the best bait for Knobfin sculpin?+

Popular baits for Knobfin sculpin include Nightcrawlers, Waxworms, Mealworms, Small minnows, Crickets. Tip: Use light tackle and focus on the stream bottom near rocks and debris where Knobfin sculpin hide; a slow, deliberate presentation is often best.

How big do Knobfin sculpin get?+

Knobfin sculpin (Cottus immaculatus) can reach up to 9 cm in length and 0.25 kg in weight. Their IUCN conservation status is LC.

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