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Blue Sucker

Blue Sucker

Blue Sucker (Cycleptus elongatus) is a native species found in Wyoming's larger river systems, primarily inhabiting the Missouri and Yellowstone rivers in eastern Montana that extend into Wyoming waters.

Scientific Name: Cycleptus elongatus

Physical Characteristics:
  • This distinctive fish is easily recognized by its elongated body shape, long sickle-shaped dorsal fin, and slate-blue to dark olive coloration with a white underside.
  • Blue Suckers are long-lived fish that can exceed 17 years and grow quite large, with specimens in Montana reaching over 10 pounds and lengths of 60-75 centimeters.
  • They're adapted for life in swift currents.

What to know

Habitat Distribution

  • Found in Wyoming's larger river systems, primarily inhabiting the Missouri and Yellowstone rivers in eastern Montana that extend into Wyoming waters.
  • They inhabit the main channels and deeper pools of large river systems.

Key Locations

  • North Platte River, potentially the Tongue River system where it connects to the Yellowstone drainage, North Platte River drainage.

Specific Spots

  • Target areas with firm substrates like gravel, cobble, or bedrock where algae and aufwuchs grow, often associating with bridge abutments, dam bases, and other structures in fast-flowing water.
  • Focus on deeper pools and runs of major river systems, particularly around rocky substrates, bridge abutments, and areas with moderate to fast current.

Blue Sucker FAQ

Answers from onWater's species guide.

What are the best lures and bait for Blue Sucker in Wyoming?

Small jigs, weighted nymphs, or bottom-bouncing rigs with natural baits like worms or small crayfish imitations work best.

When is the best time to fish for Blue Sucker in Wyoming?

The best fishing occurs outside of their April-June spawning period when they're actively feeding on aquatic insects and bottom organisms. During spawning period (April through June) when water temperatures reach around 50°F, they should not be targeted.

How do you catch Blue Sucker in Wyoming?

Fish presentations close to the bottom in the main current of deep runs and pools using small jigs, weighted nymphs, or bottom-bouncing rigs.

What do Blue Sucker eat?

Blue Suckers are bottom feeders that primarily consume aquatic insects, insect larvae, crustaceans, plant material, and algae, using their inferior mouth position to scrape food from cobble areas and firm substrates.

Where do Blue Sucker live in Wyoming?

Found in Wyoming's larger river systems, primarily inhabiting the Missouri and Yellowstone rivers in eastern Montana that extend into Wyoming waters. They inhabit the main channels and deeper pools of large river systems.

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