Nile tilapia

Oreochromis niloticus thumbnail

Oreochromis niloticus

  • Freshwater
  • Least concern
Max length23.5 in
Common length7.5 in
Length typeTotal Length
Max weight9 lb 8 oz
Depth range0 - 66 ft
Max age9 years
Water typeFreshwater
Water temperature57 - 91 °F

Fish info

Common names

Mango fish, Nilotica, Boulti, Nile mouthbrooder, Tilapia nilotica

IUCN Vulnerability status

  • Least concern
  • Short description

    Nile tilapia are large, deep-bodied freshwater fish with a relatively small head. Their natural coloration is usually brownish or gray, often with faint vertical bands along the body. One of their most recognizable features is the series of clear vertical stripes on the tail fin, which are visible at all life stages. During breeding season, males become more colorful, developing reddish or bluish-pink tones, especially on their fins and belly. Females tend to remain more muted in color, appearing brownish or silvery with subtle vertical markings.

    Habitat

    This species thrives in many types of freshwater environments, including rivers, lakes, reservoirs, irrigation channels, and even urban canals. While they cannot live in full saltwater, they can tolerate slightly salty, brackish conditions.

    Distribution

    Nile tilapia are native to much of Africa, including the Nile River system, Lake Chad basin, and parts of West Africa. Due to their importance in fish farming, they have been introduced worldwide. In some regions, these introductions have caused ecological concerns. In the United States, established populations exist in parts of Mississippi and Florida, with reports from several other states as well.

    Behaviour

    Nile tilapia are active mainly during the day. They feed mostly on algae and tiny plant organisms in the water, but will also eat insect larvae and organic material found on rocks or the bottom. Younger fish have a more varied diet than adults. Breeding behavior is distinctive: males dig shallow nests in calm water and defend small territories, while females carry fertilized eggs in their mouths until they hatch. Nile tilapia grow quickly, mature early, and are highly adaptable, which is why they are widely farmed—but also why they can become invasive in non-native waters.

    Edibility

    Nile tilapia are known for their mild, clean flavour and flaky white meat. They are one of the least “fishy” tasting species, making them popular with a wide range of anglers and cooks. Tilapia is widely farmed and is among the most commonly eaten fish worldwide, especially in Asia, Africa, and the United States

    Lure suggestion

    Tilapia can be cautious feeders, so light tackle works best. Use small hooks and light fishing line, paired with a sensitive rod or long pole. Small artificial lures that imitate tiny fish or insects can also trigger strikes, especially in clear water. Good bait: corn, peas, and bread balls

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