Can Jack Dempsey live with Otocinclus? Not recommended
Jack Dempsey is large or predatory enough to eat or harass Otocinclus.
Side by side
| 🐡 Jack Dempsey | 🐡 Otocinclus | |
| Adult size | 10" | 1.6" |
| Min tank | 55 gal | 10 gal |
| Temperature | 72–86°F | 72–79°F |
| pH | 6.5–8 | 6–7.5 |
| Temperament | Aggressive | Peaceful |
Why
- Jack Dempsey is large or predatory enough to eat or harass Otocinclus.
- Aggressive plus peaceful pairing — monitor for stress.