Fancy Goldfish

Fancy Goldfish

Carassius auratus (fancy varieties)
⚠ Use Caution
Round-Tailed Paradise Fish

Round-Tailed Paradise Fish

Macropodus ocellatus

Can Fancy Goldfish Live With Round-Tailed Paradise Fish?

Fancy Goldfish and Round-Tailed Paradise Fish CAN coexist, but with some risks. Careful setup and monitoring required.

Detailed Analysis

Temperature ✓ Compatible

Good temperature overlap at 60–74°F.

pH ✓ Compatible

Good pH overlap at 6.5–8.0.

Size ✓ Compatible

Compatible sizes (8" and 3").

Temperament ⚠ Use Caution

Fancy Goldfish (peaceful) may have issues with Round-Tailed Paradise Fish (semi-aggressive). Monitor closely if attempting.

Swim Level ✓ Compatible

Swim level compatibility is fine.

Tank Requirements

Minimum tank size for this combination: 30 gallons

ParameterFancy GoldfishRound-Tailed Paradise Fish
Temperature60–74°F50–77°F
pH6.5–86–8
Max Size8"3"
TemperamentPeacefulSemi-aggressive
Swim LevelAllTop
Min Tank20 gal20 gal

Check More Combinations

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