CheckMyFishTankCongo Tetra care
Phenacogrammus interruptus · Freshwater · Intermediate level care
A shimmering African tetra that prefers dim light and calm tankmates.
Feeding
Twice a day. A small pinch they finish in about 2 minutes, a little more for bigger fish. Flakes, small pellets, frozen brine shrimp.
Good tank mates
Fish that pass every check with Congo Tetra in a 80 gallon tank: same water, overlapping temperature, nobody gets eaten and no bullies.
Do not mix with
- Tinfoil Barb: Tinfoil Barb grows big enough to eat Congo Tetra.
- White Cloud Mountain Minnow: White Cloud Mountain Minnow and Congo Tetra need different water temperatures.
- Discus: Discus and Congo Tetra need different water temperatures.
- Convict Cichlid: Convict Cichlid is aggressive and will bully peaceful Congo Tetra.
- Oscar: Oscar grows big enough to eat Congo Tetra.
- Jack Dempsey: Jack Dempsey grows big enough to eat Congo Tetra.
- Severum: Severum grows big enough to eat Congo Tetra.
- Green Terror: Green Terror grows big enough to eat Congo Tetra.
Questions
What size tank does a Congo Tetra need?
At least 40 gallons for a group of 6. Adults grow to about 3 inches, so plan for the adult size, not the size at the store.
What temperature does a Congo Tetra like?
73 to 81 degrees Fahrenheit, with a pH of about 6 to 7.5. A steady temperature matters more than hitting one exact number.
How many Congo Tetra should I keep together?
Keep 6 or more. They feel safe in a group and show better color and behavior.
What do Congo Tetra eat?
Flakes, small pellets, frozen brine shrimp. Feed twice a day: a small pinch they finish in about 2 minutes, a little more for bigger fish.
Sources
Checked against these sources on 2026-11-10. When sources disagree we use the safer number.