Congo Tetra

Key Features

• Size: 3-3.5 inches (7.5-9 cm); needs tanks for schools of 6-12.​​

• Coloration: Vibrant iridescence peaks in groups; prefers dim lighting and dark substrate to shine.

• Care Level: Moderate; soft, acidic water (pH 6.0-7.5, temp 72-82°F, 3-18 dGH), weekly 20-25% changes essential.

• Behavior: Peaceful schoolers; compatible with rasboras, corys, rainbows; provide plants/driftwood for cover.​​

• Diet: Omnivore; flakes/pellets plus frozen brine shrimp, daphnia; varied feeding enhances colors.

• Lifespan: 5-8 years in stable, planted setups with good filtration.​​