Long fins: avoid known fin nippers such as tiger barbs and serpae tetras.
Predator: may eat fish up to about 2 cm.
Check a tank with Fancy goldfish
Good tank mates for Fancy goldfish
These species share its temperature range and temperament, with no fin-nipping or predation risk under our rules. Still check your tank size and bioload in the checker.
Celestial pearl danio · Checkerboard barb · Clown killifish · Colombian tetra · Gold barb · Guppy · Indian glassfish · Medaka · Odessa barb · Pearl danio · Reticulated hillstream loach · Turquoise rainbowfish · Variatus platy · White cloud mountain minnow
Avoid with Fancy goldfish
African butterflyfish (temperature) · African dwarf frog (temperature) · Agassiz's dwarf cichlid (temperature) · Angelfish (temperature) · Assassin snail (temperature) · Bala shark (temperature) · Banded archerfish (temperature) · Banjo catfish (temperature) · Betta (male) (temperature) · Black ghost knifefish (temperature) · Black neon tetra (temperature) · Black phantom tetra (temperature) · Black ruby barb (temperature) · Black skirt tetra (temperature) · Bleeding heart tetra (temperature) · Blue acara (temperature) · Boeseman's rainbowfish (temperature) · Bolivian ram (temperature)
Sources
Checked 2026-11-09 · confidence: high. These are cautious community guidelines, not guarantees. Not veterinary advice. Report an error.