Can Loreto Tetra Live With Oscar?

Loreto Tetra and Oscar are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 74–81°F.

pH ✓ Compatible

Good pH overlap at 6.0–7.0.

Size ✗ Not Compatible

Extreme size difference. Oscar (14") may eat or bully Loreto Tetra (1.2").

Temperament ✗ Not Compatible

Loreto Tetra (peaceful) is not compatible with Oscar (aggressive). Aggression or stress is very likely.

Swim Level ⚠ Use Caution

Both fish occupy the middle level and Oscar is territorial. Provide plenty of space and hiding spots.

Trait Conflict ✗ Not Compatible

Oscar is a predator and may eat Loreto Tetra.

Important Notes

  • Loreto Tetra is a schooling fish and needs at least 6 of its kind.

Tank Requirements

Minimum tank size for this combination: 75 gallons

ParameterLoreto TetraOscar
Temperature73–81°F74–81°F
pH5.5–76–7.5
Max Size1.2"14"
TemperamentPeacefulAggressive
Swim LevelMiddleMiddle
Min Tank15 gal75 gal

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