Can Guppy Live With Marbled Hatchetfish?

Guppy 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 ⚠ Use Caution

Very narrow pH overlap (6.8–7.0). Hard to maintain precisely.

Size ✓ Compatible

Compatible sizes (2" and 1.5").

Temperament ✓ Compatible

Both fish have compatible temperaments.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Important Notes

  • Guppy is a schooling fish and needs at least 3 of its kind.
  • Marbled Hatchetfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 18 gallons

ParameterGuppyMarbled Hatchetfish
Temperature72–82°F75–82°F
pH6.8–7.85–7
Max Size2"1.5"
TemperamentPeacefulPeaceful
Swim LevelTopTop
Min Tank10 gal15 gal

Check More Combinations

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