Can Swordtail live with Purple Vampire Crab?
Caution — with care
Why
- Purple Vampire Crab can grab Swordtail while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 75–82°F and pH 7.5–8 — aim there.
Side-by-side
| Swordtail | Purple Vampire Crab | |
|---|---|---|
| Temperature | 72–82°F | 75–82°F |
| pH | 7–8.4 | 7.5–8 |
| Hardness (GH) | 12–30 dGH | 8–15 dGH |
| Adult size | 5.5" | 1.5" |
| Temperament | Semi-aggressive | Semi-aggressive |
| Min tank | 29 gal | 20 gal |
Together, plan on at least 29 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
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Design a tank with Swordtail, Purple Vampire Crab →Everything compatible with Swordtail · …with Purple Vampire Crab