Can Blue Lobster Crayfish live with Swordtail?
Caution — with care
Why
- Blue Lobster Crayfish can grab Swordtail while it sleeps — only fast mid/top-water fish are reasonably safe.
Sweet spot: both do well at 72–82°F and pH 7–8 — aim there.
Side-by-side
| Blue Lobster Crayfish | Swordtail | |
|---|---|---|
| Temperature | 65–82°F | 72–82°F |
| pH | 6.5–8 | 7–8.4 |
| Hardness (GH) | 5–20 dGH | 12–30 dGH |
| Adult size | 5" | 5.5" |
| Temperament | Aggressive | Peaceful |
| Min tank | 30 gal | 29 gal |
Together, plan on at least 30 gallons.
How to make it work
- Only combine with fast, mid/top-water fish and give the tankmates plenty of escape routes.
Where to buy
- Blue Lobster Crayfish: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
- Swordtail: buy at Flip Aquatics · Flip Aquatics live-arrival guarantee
Live-animal shipping: add a heat pack below 50°F, expect weather holds above 90°F, and schedule delivery for a moderate week when someone can receive it promptly.
Build a full tank around this stocking →Everything compatible with Blue Lobster Crayfish · …with Swordtail