Can Assassin Snail Live With Swordtail?
❌Not Compatible
Assassin Snail and Swordtail are not compatible due to size mismatch or behavioral conflicts.
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Parameter Comparison
| Parameter | Assassin Snail | Swordtail | Overlap |
|---|---|---|---|
| Temperature | 70–80°F | 72–82°F | 72–80°F ✓ |
| pH Range | 6.5–8 | 7–8.4 | 7–8 ✓ |
| Temperament | peaceful | peaceful | Both peaceful ✓ |
| Max Size | 1.5" | 5.5" | Size mismatch ✗ |
| Min Tank Size | 10 gal | 20 gal | 20 gal minimum together |
| Diet | Carnivore | Omnivore | — |
| Care Level | beginner | beginner | — |
Species Profiles
Assassin Snail
Clea helena
beginnerpeaceful10+ gal
Assassin snails are the natural pest snail control solution. They hunt and eat bladder snails, pond snails, Malaysian trumpet snails, and ramshorn snails. They breed slowly (unlike pest snails), have attractive yellow and dark brown striped shells, and are safe with fish and shrimp.
Full care guide →Swordtail
Xiphophorus hellerii
beginnerpeaceful20+ gal
Swordtails are hardy, colorful livebearers named for the distinctive elongated lower tail fin (the 'sword') found on males. They come in many color varieties including red, pineapple, marigold, and tuxedo. Larger than guppies but just as easy to care for, swordtails are excellent community fish that prefer hard, alkaline water.
Full care guide →Other Compatible Tank Mates
For Assassin Snail:
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