Can Forktail Rainbowfish Live With Green Terror?

Forktail Rainbowfish and Green Terror are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 73–80°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.5.

Size ⚠ Use Caution

Significant size difference (8" vs 2"). Green Terror may bully or stress Forktail Rainbowfish.

Temperament ✗ Not Compatible

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

Swim Level ✓ Compatible

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

Trait Conflict ✗ Not Compatible

Green Terror is a predator and may eat Forktail Rainbowfish.

Important Notes

  • Forktail Rainbowfish is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 55 gallons

ParameterForktail RainbowfishGreen Terror
Temperature73–80°F72–80°F
pH6.5–7.56.5–8
Max Size2"8"
TemperamentPeacefulAggressive
Swim LevelTopMiddle
Min Tank10 gal55 gal

Check More Combinations

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