Can Least Killifish Live With Scissortail Rasbora?

Least Killifish and Scissortail Rasbora CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–80°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ⚠ Use Caution

Significant size difference (3.5" vs 1"). Scissortail Rasbora may bully or stress Least Killifish.

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Fish occupy different water levels (Least Killifish: top, Scissortail Rasbora: middle), reducing conflict.

Important Notes

  • Least Killifish is a schooling fish and needs at least 4 of its kind.
  • Scissortail Rasbora is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 20 gallons

ParameterLeast KillifishScissortail Rasbora
Temperature66–80°F72–82°F
pH6.5–86–7.5
Max Size1"3.5"
TemperamentPeacefulPeaceful
Swim LevelTopMiddle
Min Tank5 gal20 gal

Check More Combinations

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