Can Sailfin Molly Live With X-Ray Tetra?

Sailfin Molly and X-Ray Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ⚠ Use Caution

Very narrow pH overlap (7.5–7.5). Hard to maintain precisely.

Size ⚠ Use Caution

Significant size difference (6" vs 1.75"). Sailfin Molly may bully or stress X-Ray Tetra.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Trait Conflict ⚠ Use Caution

Sailfin Molly may prefer brackish water conditions, which X-Ray Tetra cannot tolerate long-term.

Important Notes

  • X-Ray Tetra is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 35 gallons

ParameterSailfin MollyX-Ray Tetra
Temperature75–82°F72–82°F
pH7.5–8.56–7.5
Max Size6"1.75"
TemperamentPeacefulPeaceful
Swim LevelMiddleMiddle
Min Tank30 gal10 gal

Check More Combinations

Use our compatibility checker to add more fish and plan your complete tank.