Can Oscar Live With Toba Betta?

Oscar and Toba Betta are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 74–80°F.

pH ✓ Compatible

Good pH overlap at 6.0–6.5.

Size ✗ Not Compatible

Extreme size difference. Oscar (14") may eat or bully Toba Betta (2").

Temperament ✗ Not Compatible

Oscar (aggressive) is not compatible with Toba Betta (peaceful). 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 Toba Betta.

Tank Requirements

Minimum tank size for this combination: 80 gallons

ParameterOscarToba Betta
Temperature74–81°F72–80°F
pH6–7.54.5–6.5
Max Size14"2"
TemperamentAggressivePeaceful
Swim LevelMiddleMiddle
Min Tank75 gal10 gal

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