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Goldfish
Peaceful, social
Also known as: fancy goldfish, common goldfish, shubunkin
- Adult weight
- 100–400 g
- Life expectancy
- 10–25 years
- Size
- Small
- Exercise
- Moderate
- Origin
- China
- Group
- Coldwater fish
Reference update: · Not veterinary-reviewedNo single breed standard — ranges are typical values for this group.
Health topics to discuss with your vet
- ●Ammonia/nitrite poisoning from poor water qualityBreed-specific association not yet verified.
- ●Swim bladder disorder (fancy varieties)Breed-specific association not yet verified.
- ●White spot (Ich)Breed-specific association not yet verified.
- ●Fin rotBreed-specific association not yet verified.
Not a diagnosis or a complete risk list. A general condition reference explains a disease but does not establish increased risk in this breed or group. Unsourced associations still need verification.
Care tips
- ✓Needs a large filtered tank or pond — not a bowl
- ✓Weekly partial water changes
Calculators for your Goldfish
Sources & review
Reference update 25 October 2026; not an independent veterinary review. Direct breed evidence is identified above. General directories below do not verify every listed health association.
Weight and lifespan are typical ranges for healthy adults from breed standards and veterinary references; individuals vary. Not veterinary advice.