Can Assassin Snail live with Swordtail?

Compatible

Why

No conflicts — these two share similar water needs, temperament, and size, and neither is a threat to the other.

Sweet spot: both do well at 72–82°F and pH 7–8 — aim there.

Side-by-side

Assassin SnailSwordtail
Temperature72–82°F72–82°F
pH7–87–8.4
Hardness (GH)6–15 dGH12–30 dGH
Adult size1"5.5"
TemperamentPeacefulSemi-aggressive
Min tank10 gal29 gal

Together, plan on at least 29 gallons.

Design the whole tank, not just the stocking

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Everything compatible with Assassin Snail · …with Swordtail

Related pairings

Assassin Snail + Neon TetraAssassin Snail + Cherry ShrimpAssassin Snail + AngelfishAssassin Snail + Nerite SnailAssassin Snail + Amano ShrimpAssassin Snail + Harlequin Rasbora