Can goldfish live with common goldfish?
Yes, they make good tankmates. Good tankmates. Keep both at 65–72°F.

Yes
Verdict
65–72°F
Shared temperature
75 gal
Smallest tank
The two fish side by side
| Fish | Adult size | Temperature | Min. tank | Keep | Watch for |
|---|---|---|---|---|---|
| Fancy goldfish | 7 in | 65–72°F | 30 gal | Alone or as a pair | eats small fish, cool water |
| Common goldfish | 12 in | 60–72°F | 75 gal | Alone or as a pair | eats small fish, cool water |
How to keep them together
- Keep the water cool, about 65–72°F. Most goldfish tanks need no heater.
- Use a tank of at least 75 gallons. Check the numbers with the stocking calculator.
- Add plenty of plants and cover so every fish can get out of sight.
Good tankmates instead
- For goldfish: Mystery snail
- For common goldfish: Mystery snail
Want to check a whole tank? Pick up to 8 fish in the fish compatibility checker, which opens with this pair already filled in.
Planning a whole tank? Your First Aquarium includes ready-made stocking plans and care cards for 15 beginner fish. Get the guide for $12
More tankmate questions: Can bettas live with goldfish? · Can goldfish live with neon tetras? · Can goldfish live with guppies? · Can goldfish live with mystery snails? · All tankmate guides
Related: Fancy goldfish care · Fish compatibility checker · Fish care sheets