Can Glowlight Tetra Live With Least Killifish?

Glowlight Tetra and Least Killifish are compatible tank mates!

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 72–80°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ✓ Compatible

Compatible sizes (1.5" and 1").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

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

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 13 gallons

ParameterGlowlight TetraLeast Killifish
Temperature72–82°F66–80°F
pH5.5–7.56.5–8
Max Size1.5"1"
TemperamentPeacefulPeaceful
Swim LevelMiddleTop
Min Tank10 gal5 gal

Check More Combinations

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