Can Common Pleco Live With Silver Arowana?

Common Pleco and Silver Arowana CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 75–82°F.

pH ✓ Compatible

Good pH overlap at 6.5–7.0.

Size ✓ Compatible

Compatible sizes (18" and 36").

Temperament ⚠ Use Caution

Common Pleco (peaceful) may have issues with Silver Arowana (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Fish occupy different water levels (Common Pleco: bottom, Silver Arowana: top), reducing conflict.

Tank Requirements

Minimum tank size for this combination: 250 gallons

ParameterCommon PlecoSilver Arowana
Temperature72–82°F75–82°F
pH6.5–7.56–7
Max Size18"36"
TemperamentPeacefulSemi-aggressive
Swim LevelBottomTop
Min Tank75 gal250 gal

Check More Combinations

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