Can mystery snails live with black ghost knives?
Verdict
Yes, with care
Yes, with care. Mystery snails and black ghost knives can share a tank, but watch one thing. Large black ghost knives crack or pick at small snails. A big mystery snail has better odds than a ramshorn.
What to watch
- Watch outLarge black ghost knives crack or pick at small snails. A big mystery snail has better odds than a ramshorn.
- Watch outBlack ghost knives grow to 15 inches and need 125 gallons, far more than a tank set up for mystery snails.
What works
- Both are fine at 73–82°F.
- pH 7–8 suits both.
Water side by side
Size to scale
Care at a glance
| Mystery snail | Black ghost knife | |
|---|---|---|
| Temperature | 68–82 °F | 73–82 °F |
| pH | 7–8 | 6–8 |
| Adult size | 2.0 in | 15.0 in |
| Minimum tank | 5 gal | 125 gal |
| Temperament | Peaceful | Semi-aggressive |
| Swims at | Bottom | Bottom |
| Group | Alone or in pairs | One per tank |
| Diet | Omnivore | Carnivore |
Better tank mates for mystery snails
Better tank mates for black ghost knives
All black ghost knife tank mates
Questions
Can mystery snails live with black ghost knives?
Yes, with care. Mystery snails and black ghost knives can share a tank, but watch one thing. Large black ghost knives crack or pick at small snails. A big mystery snail has better odds than a ramshorn.
What temperature suits both mystery snails and black ghost knives?
73–82 °F. Mystery snails need 68–82 °F, black ghost knives need 73–82 °F.
What size tank do mystery snails and black ghost knives need together?
At least 125 gal, set by the black ghost knife. Add space for each extra fish.