Can Guppy live with Jack Dempsey? Not recommended
Jack Dempsey is large or predatory enough to eat or harass Guppy.
Side by side
| 🐠 Guppy | 🐡 Jack Dempsey | |
| Adult size | 2" | 10" |
| Min tank | 10 gal | 55 gal |
| Temperature | 72–82°F | 72–86°F |
| pH | 7–8.2 | 6.5–8 |
| Temperament | Peaceful | Aggressive |
Why
- Jack Dempsey is large or predatory enough to eat or harass Guppy.
- Aggressive plus peaceful pairing — monitor for stress.