Can bichirs live with glowlight tetras?
Verdict
No
No. Bichirs and glowlight tetras should not share a tank. An adult bichir eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
What to watch
- Deal breakerAn adult bichir eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
- Watch outBichirs grow to 12 inches and need 75 gallons, far more than a tank set up for glowlight tetras.
What works
- Both are fine at 74–80°F.
- pH 6.5–7.5 suits both.
- They use different parts of the tank: bichirs the bottom, glowlight tetras the mid.
Water side by side
Size to scale
Care at a glance
| Bichir | Glowlight tetra | |
|---|---|---|
| Temperature | 72–82 °F | 74–80 °F |
| pH | 6.5–7.5 | 6–7.5 |
| Adult size | 12.0 in | 1.5 in |
| Minimum tank | 75 gal | 10 gal |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Bottom | Middle |
| Group | Alone or in pairs | Groups of 6+ |
| Diet | Carnivore | Omnivore |
Better tank mates for bichirs
Better tank mates for glowlight tetras
All glowlight tetra tank mates
Questions
Can bichirs live with glowlight tetras?
No. Bichirs and glowlight tetras should not share a tank. An adult bichir eats fish that fit in its mouth, and at 1.5 inches glowlight tetras do.
What temperature suits both bichirs and glowlight tetras?
74–80 °F. Bichirs need 72–82 °F, glowlight tetras need 74–80 °F.
What size tank do bichirs and glowlight tetras need together?
At least 75 gal, set by the bichir. Add space for each extra fish.