Tank mate check

Can Betta Fish and Goldfish live together?

Verdict: No

No. Betta Fish and Goldfish fail at least one check below, so keep them in separate tanks.

N° 01

Why

The same temperament, water and known-conflict checks the MyAquaLog compatibility tool runs.

Semi-aggressive species may stress peaceful fish. Betta Fish is rated semi-aggressive, Goldfish peaceful.
No temperature overlap (76-82°F vs 65-72°F).
pH overlap 6.5-7.5.
Goldfish may not be compatible with Betta Fish.
Goldfish sets the floor at 20 gallons on its own. Size up from there for both groups.

N° 02

N° 03

This page compares two species on their own. Your full stock list, tank size and bioload change the answer, so log your own tank.

No account needed, it saves on this device.

N° 04