Can Porcupine Puffer Live With Yellowtail Damselfish?

Porcupine Puffer and Yellowtail Damselfish are NOT compatible tank mates.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 74–82°F.

pH ✓ Compatible

Good pH overlap at 8.0–8.4.

Size ⚠ Use Caution

Significant size difference (12" vs 2.5"). Porcupine Puffer may bully or stress Yellowtail Damselfish.

Temperament ⚠ Use Caution

Porcupine Puffer (semi-aggressive) may have issues with Yellowtail Damselfish (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Trait Conflict ✗ Not Compatible

Porcupine Puffer is a predator and may eat Yellowtail Damselfish.

Tank Requirements

Minimum tank size for this combination: 85 gallons

ParameterPorcupine PufferYellowtail Damselfish
Temperature74–82°F74–82°F
pH8–8.48–8.4
Max Size12"2.5"
TemperamentSemi-aggressiveSemi-aggressive
Swim LevelAllMiddle
Min Tank75 gal20 gal

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