Congo Tetra
Phenacogrammus interruptus
Alestidae
About
The Congo tetra is a large, shimmering characin endemic to the central Congo River basin in the Democratic Republic of the Congo, where it roves the mid-water of forested tributaries and marshy pools. Mature males are spectacular, flushing iridescent blue, gold and green along the flank and trailing long, ghostly fin filaments. Peaceful yet easily startled, it needs a long, well-planted tank with open swimming lanes and a proper shoal to feel secure and show its best colour.
Care
Keep a mixed-sex shoal of 6+ in a long tank of at least 110 L with soft, slightly acidic water, gentle current and open swimming space. Skittish, so avoid boisterous or fin-nipping tankmates and provide a secure lid.
Diet
Hearty omnivore; feed a staple of quality flakes and pellets supplemented with frequent frozen and live meaty foods to bring out colour and fin development.
Tankmate compatibility
Gets along with (24)
Possible with care (66)
Avoid (19)
Computed by the AquaSage engine for a spacious reference tank — always check the full verdict for your exact setup in the calculator.