Common Goldfish Care & Compatibility
Carassius auratus
A messy, long-lived coldwater fish that grows large and needs big, well-filtered tanks.
Min 40 gal 10" adult Peaceful Moderate care 60-74°F
Care requirements
| Scientific name | Carassius auratus |
|---|---|
| Group | Coldwater |
| Adult size | 10 in (25.4 cm) |
| Minimum tank | 40 gallons |
| Temperature | 60-74°F |
| pH | 7-8.4 |
| Hardness | 8-25 dGH |
| Temperament | Peaceful |
| Social | Group (2+) |
| Diet | Omnivore |
| Swim level | All |
| Care level | Moderate |
| Lifespan | ~15 years |
Best tankmates for Common Goldfish
Cardinal Tetra
Ok · 40 gal+
Guppy
Ok · 40 gal+
Platy
Ok · 40 gal+
Molly
Ok · 40 gal+
Swordtail
Ok · 40 gal+
Dwarf Gourami
Ok · 40 gal+
Honey Gourami
Ok · 40 gal+
Bolivian Ram
Ok · 40 gal+
Bronze Corydoras
Ok · 40 gal+
Panda Corydoras
Ok · 40 gal+
Avoid keeping with
Betta (male)
Not recommended
Pearl Gourami
Not recommended
Angelfish
Not recommended
Discus
Not recommended
German Blue Ram
Not recommended
Apistogramma
Not recommended
Kribensis
Not recommended
Chili Rasbora
Not recommended
Frequently asked questions
What size tank does a Common Goldfish need?
A Common Goldfish needs a minimum of 40 gallons.
Is the Common Goldfish good for beginners?
The Common Goldfish is rated moderate to care for. It suits keepers with a little experience and a stable, cycled tank.
What water parameters does a Common Goldfish need?
Keep Common Goldfish at 60-74°F, pH 7-8.4, and hardness 8-25 dGH.
How many Common Goldfish should I keep together?
A small group or pair works well.