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Blue Sucker

Blue Sucker

Blue Sucker is a state-listed threatened species in Texas and one of the most distinctive members of the sucker family. These large, long-lived fish are native to the Mississippi and Gulf Coast drainages.

Scientific Name: Cycleptus elongatus

Also known as Rio Grande Blue Sucker (separate undescribed species in Rio Grande)

Physical Characteristics:
  • Striking steel-blue coloration with blue-black fins, backs, and sides during spawning season.
  • Adult Blue Suckers in Texas typically grow 76-102 cm (30-40 inches) long and weigh 2-3 kilograms (4.4-6.6 pounds), with females averaging 7 cm larger than males.
  • Characterized by their streamlined bodies, subterminal mouths with papillose lips, and distinctive sickle-shaped dorsal fin.

What to know

Habitat Distribution

  • Found in the Sabine, Neches, Red, and Colorado river basins in Texas.
  • They inhabit large rivers, typically in deep (1-2 meter) fast riffles or rapids with cobble, boulder, and bedrock substrates.

Key Locations

  • Colorado River (especially between Bastrop and Smithville on the Wilbarger Paddling Trail), lower Sabine River below Toledo Bend Reservoir, sections of the Red and Neches rivers.
  • The Colorado River near Bastrop offers some of the best opportunities.
  • Wilbarger Paddling Trail section of the Colorado River between Webberville and Smithville supports one of the most common Blue Sucker populations in Texas.

Specific Spots

  • Deep, fast-flowing riffles and rapids.
  • Areas with cobble, boulder, and bedrock substrates.
  • Near large woody debris and current breaks.
  • May utilize tributaries like Bayou Anacoco in the Sabine River system.

Blue Sucker FAQ

Answers from onWater's species guide.

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

Best fishing opportunities occur from late spring through early fall (May through September) when water temperatures are optimal and fish are most active. Avoid fishing during February through April spawning periods when fish aggregate in shallow areas and are protected.

How do you catch Blue Sucker in Texas?

Bottom-fishing with live bait near structure and current breaks. Fish near large woody debris. Use small jigs, particularly brown jig flies on fly tackle.

What do Blue Sucker eat?

Bottom feeders that consume benthic invertebrates, aquatic insects, insect larvae, crustaceans, plant material, and algae.

Where do Blue Sucker live in Texas?

Found in the Sabine, Neches, Red, and Colorado river basins in Texas. They inhabit large rivers, typically in deep (1-2 meter) fast riffles or rapids with cobble, boulder, and bedrock substrates.

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