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Blue Catfish

Blue Catfish

Blue Catfish in the District of Columbia are an invasive species that have established significant populations in the Potomac and Anacostia Rivers since first being recorded in 2010 in the Middle Potomac-Anacostia-Occoquan hydrologic unit.

Scientific Name: Ictalurus furcatus

Physical Characteristics:
  • These large catfish can exceed 165 cm in length and 45 kg in weight.
  • In DC waters, they're distinguished from channel catfish by their straight-edged anal fin with 30-35 rays, deeply forked tail, and lack of dark spots on their slate blue to silvery coloration.

What to know

Habitat Distribution

  • Established significant populations in the Potomac and Anacostia Rivers.
  • They prefer deep waters with strong currents, tolerating brackish conditions up to 15 practical salinity units, which allows them to move throughout the tidal portions of the Potomac.

Key Locations

  • Prime locations include the Potomac near the Kennedy Center, Georgetown Waterfront Park, Fletcher's Boathouse, Chain Bridge, Fort Washington, and the DC Tidal Basin.

Specific Spots

  • Target deep holes of 30-80+ feet, particularly outside river bends with mud bottoms.
  • The winter months concentrate these fish in deeper pockets (30-80+ feet) where they school up, particularly in areas with mud or clay bottoms that retain heat better than rocky substrates.

Blue Catfish FAQ

Answers from onWater's species guide.

What are the best lures and bait for Blue Catfish in District Of Columbia?

Fresh cut bait is most effective - gizzard shad, skipjack herring, white perch, and mullet cut into 1-inch chunks work best.

When is the best time to fish for Blue Catfish in District Of Columbia?

Winter through early spring (December-March) provides the best trophy opportunities. March through May offers excellent action for numbers of fish as water temperatures rise and cats become more active post-winter.

How do you catch Blue Catfish in District Of Columbia?

Target outside river bends with mud bottoms using heavy Carolina rigs. Look for foam lines indicating current channels, and cast to areas where you free-spool line for 30+ seconds before hitting bottom.

What do Blue Catfish eat?

Blue catfish are opportunistic omnivores with voracious appetites, consuming 2-5% of their body weight daily during peak feeding seasons. Their diet includes baitfish (shad, herring), blue crabs, freshwater mussels, clams, crayfish, and other fish species.

Where do Blue Catfish live in District Of Columbia?

Established significant populations in the Potomac and Anacostia Rivers. They prefer deep waters with strong currents, tolerating brackish conditions up to 15 practical salinity units, which allows them to move throughout the tidal portions of the Potomac.

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