Can rainbow sharks live with sparkling gouramis?
Verdict
Yes, with care
Yes, with care. Rainbow sharks and sparkling gouramis can share a tank, but watch one thing. A grown rainbow shark may treat small sparkling gouramis as food, especially at night.
What to watch
- Watch outA grown rainbow shark may treat small sparkling gouramis as food, especially at night.
What works
- Both are fine at 72–80°F.
- pH 6.5–7.5 suits both.
- They use different parts of the tank: rainbow sharks the bottom, sparkling gouramis the top.
Water side by side
Size to scale
Care at a glance
| Rainbow shark | Sparkling gourami | |
|---|---|---|
| Temperature | 72–80 °F | 72–82 °F |
| pH | 6.5–7.5 | 6–7.5 |
| Adult size | 6.0 in | 1.5 in |
| Minimum tank | 55 gal | 5 gal |
| Temperament | Semi-aggressive | Peaceful |
| Swims at | Bottom | Top |
| Group | One per tank | Groups of 4+ |
| Diet | Omnivore | Omnivore |
Better tank mates for rainbow sharks
Better tank mates for sparkling gouramis
All sparkling gourami tank mates
Questions
Can rainbow sharks live with sparkling gouramis?
Yes, with care. Rainbow sharks and sparkling gouramis can share a tank, but watch one thing. A grown rainbow shark may treat small sparkling gouramis as food, especially at night.
What temperature suits both rainbow sharks and sparkling gouramis?
72–80 °F. Rainbow sharks need 72–80 °F, sparkling gouramis need 72–82 °F.
What size tank do rainbow sharks and sparkling gouramis need together?
At least 55 gal, set by the rainbow shark. Add space for each extra fish.











