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Nile Tilapia

Nile Tilapia

Nile Tilapia are non-native African cichlids that have become established in coastal Mississippi waters since the late 1990s. These invasive fish escaped from aquaculture facilities and now maintain breeding populations in Mississippi waters.

Scientific Name: Oreochromis niloticus

Physical Characteristics:
  • Nile Tilapia are easily confused with Blue Tilapia but can be distinguished by 16-18 dorsal spines (vs 15-16), distinct dark vertical stripes on the tail fin, and males displaying red breeding coloration rather than metallic blue.
  • They can live up to 4 years in Mississippi waters and grow rapidly, reaching 400mm in length and over 1,200 grams.

What to know

Habitat Distribution

  • They inhabit freshwater to low-salinity coastal areas, utilizing thermal gradients from power plant discharges and showing remarkable adaptability to Mississippi's temperate conditions.

Key Locations

  • Robinson Bayou in the Pascagoula River drainage, Plant Daniel Cooling Reservoir in Jackson County, and various coastal bayous including Clark Bayou and Simmons Bayou.
  • They've also been documented in the Big Sunflower River system in north Mississippi.

Specific Spots

  • Focus on shallow water areas, particularly near thermal refugia like power plant discharge areas.
  • Look for fish in protected backwater areas, around vegetation edges, and near any structure in 0.6-2 meter depths.

Nile Tilapia FAQ

Answers from onWater's species guide.

What are the best lures and bait for Nile Tilapia in Mississippi?

Essential baits include corn kernels, peas, and bread balls on size 4-6 circle hooks. Since these fish are primarily herbivorous, avoid flashy lures that will spook them.

What flies work for Nile Tilapia in Mississippi?

Small terrestrial flies work well for fly fishing, along with tiny nymphs and algae-imitating patterns.

When is the best time to fish for Nile Tilapia in Mississippi?

Peak fishing occurs April through July when they're most aggressive during spawning season. Mississippi populations show peak spawning from April through August.

How do you catch Nile Tilapia in Mississippi?

Use simple bobber setups or split-shot rigs. Fish around spawning beds (crater-like depressions in sandy/muddy bottoms) but maintain distance to avoid spooking these wary fish - cast beyond beds and work baits slowly into position. Trammel nets, hoop nets, and fyke nets are effective for targeting larger numbers.

What do Nile Tilapia eat?

Nile Tilapia are primarily herbivorous, feeding on phytoplankton, benthic algae, organic detritus including nematodes and rotifers, aquatic vegetation, and occasionally small invertebrates. In Mississippi waters, they consume mud, sand, detritus, and various algae species.

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