Can Congo Tetra Live With Denison Barb?
Congo Tetra and Denison Barb are compatible. Temperature overlap 73–77°F. Both peaceful.
Conditions: Minimum 55 gallon tank.
Parameter Comparison
| Parameter | Congo Tetra | Denison Barb | Overlap |
|---|---|---|---|
| Temperature | 73–82°F | 60–77°F | 73–77°F ✓ |
| pH Range | 6–7.5 | 6.5–7.8 | 6.5–7.5 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 3.5" | 6" | Similar ✓ |
| Min Tank Size | 30 gal | 55 gal | 55 gal minimum together |
| Diet | Omnivore | Omnivore | — |
| Care Level | intermediate | intermediate | — |
Tank Requirements for Congo Tetra + Denison Barb
To keep Congo Tetra and Denison Barb together, you need at minimum a 55 gallon tank. Congo Tetra should be kept in a school of 6+. Denison Barb should be kept in a school of 6+. Provide adequate filtration, stable temperature with a heater, and hiding spots to reduce stress.
Species Profiles
Congo Tetra
Phenacogrammus interruptus
Congo tetras are the showstoppers of the tetra family. Males develop spectacular flowing fins with an iridescent rainbow sheen that shifts from blue to gold to green under aquarium lighting. They are larger than most tetras (up to 3.5 inches) and need a spacious, well-planted tank to display their full beauty. Peaceful but shy — they thrive with calm tank mates.
Full care guide →Denison Barb
Sahyadria denisonii
The Denison Barb (Sahyadria denisonii) is a intermediate-level freshwater fish growing to 6 inches. Peaceful temperament, minimum 55 gallon tank.
Full care guide →