Can Green Terror Live With Marbled Hatchetfish?

Green Terror and Marbled Hatchetfish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–80°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✗ Not Compatible

Extreme size difference. Green Terror (8") may eat or bully Marbled Hatchetfish (1.5").

Temperament ✗ Not Compatible

Green Terror (aggressive) is not compatible with Marbled Hatchetfish (peaceful). Aggression or stress is very likely.

Swim Level ✓ Compatible

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

Trait Conflict ✗ Not Compatible

Green Terror is a predator and may eat Marbled Hatchetfish.

Important Notes

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

Tank Requirements

Minimum tank size for this combination: 63 gallons

ParameterGreen TerrorMarbled Hatchetfish
Temperature72–80°F75–82°F
pH6.5–85–7
Max Size8"1.5"
TemperamentAggressivePeaceful
Swim LevelMiddleTop
Min Tank55 gal15 gal

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