Keeping Common Goldfish FAQs
How big do common goldfish get?
Common goldfish can grow 20–30 cm (8–12 inches) long when healthy.
Because of their size, they need large tanks or ponds.
Can goldfish live in a bowl?
No. Bowls are too small.
Goldfish need at least 200 litres in a filtered aquarium or pond.
How long do common goldfish live
With good care, common goldfish can live 10–15 years, and sometimes even longer.
What do goldfish eat?
Goldfish eat a mix of:
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Goldfish pellets
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Vegetables (peas, lettuce, spinach)
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Occasional treats (bloodworms or brine shrimp)
Feed small amounts 1–2 times per day.
Do goldfish need a filter?
Yes. Goldfish produce a lot of waste, so a strong filter helps keep the water clean, so you can see your fish and water parameters safe.
What temperature should the water be?
They are cold-water fish and do not need a heater.
Can goldfish live with other fish?
Yes, but only with peaceful, cold-water fish, such as:
Do goldfish recognize their owners?
Surprisingly, yes. Goldfish can learn to recognize people and feeding times.
If you currently have koi in the pond, you can feed them the same food. add fish food to the order feed australian fish food floating pellets.
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