Can guppies live with flowerhorns?
Verdict
No
No. Guppies and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 2 inches guppies do.
What to watch
- Deal breakerAn adult flowerhorn eats fish that fit in its mouth, and at 2 inches guppies do.
- Deal breakerFlowerhorns are aggressive and will bully peaceful guppies.
- Watch outFlowerhorns grow to 12 inches and need 75 gallons, far more than a tank set up for guppies.
What works
- Both are fine at 80–82°F.
- pH 7–7.8 suits both.
- They use different parts of the tank: guppies the top, flowerhorns the mid.
Water side by side
Size to scale
Care at a glance
| Guppy | Flowerhorn | |
|---|---|---|
| Temperature | 72–82 °F | 80–89 °F |
| pH | 6.8–7.8 | 7–8 |
| Adult size | 2.0 in | 12.0 in |
| Minimum tank | 10 gal | 75 gal |
| Temperament | Peaceful | Aggressive |
| Swims at | Top | Middle |
| Group | Groups of 3+ | One per tank |
| Diet | Omnivore | Carnivore |
Better tank mates for guppies
Questions
Can guppies live with flowerhorns?
No. Guppies and flowerhorns should not share a tank. An adult flowerhorn eats fish that fit in its mouth, and at 2 inches guppies do.
What temperature suits both guppies and flowerhorns?
80–82 °F. Guppies need 72–82 °F, flowerhorns need 80–89 °F.
What size tank do guppies and flowerhorns need together?
At least 75 gal, set by the flowerhorn. Add space for each extra fish.