Can Clown Killifish Live With Serpae Tetra?

Clown Killifish and Serpae Tetra CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–79°F.

pH ✓ Compatible

Good pH overlap at 5.5–7.0.

Size ✓ Compatible

Compatible sizes (1.4" and 1.75").

Temperament ⚠ Use Caution

Clown Killifish (peaceful) may have issues with Serpae Tetra (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

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

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 20 gallons

ParameterClown KillifishSerpae Tetra
Temperature73–79°F72–82°F
pH5.5–75.5–7.5
Max Size1.4"1.75"
TemperamentPeacefulSemi-aggressive
Swim LevelTopMiddle
Min Tank5 gal20 gal

Check More Combinations

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