Can Firemouth Cichlid Live With Marbled Hatchetfish?

Firemouth Cichlid and Marbled Hatchetfish CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ⚠ Use Caution

Significant size difference (6" vs 1.5"). Firemouth Cichlid may bully or stress Marbled Hatchetfish.

Temperament ⚠ Use Caution

Firemouth Cichlid (semi-aggressive) may have issues with Marbled Hatchetfish (peaceful). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Firemouth Cichlid: middle, Marbled Hatchetfish: top), reducing conflict.

Important Notes

  • Marbled Hatchetfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 38 gallons

ParameterFiremouth CichlidMarbled Hatchetfish
Temperature75–86°F75–82°F
pH6.5–85–7
Max Size6"1.5"
TemperamentSemi-aggressivePeaceful
Swim LevelMiddleTop
Min Tank30 gal15 gal

Check More Combinations

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