Goldfish care tools and calculators
There are 16 tools for goldfish on XpertsPet, sorted into 9 topics such as age, behavior, breeding, cost, health and housing. The cards above take you straight to each group. Below is a short guide to what they cover and which ones are most useful at different points in your goldfish's life.
Goldfish at a glance
Expect a lifespan of roughly 10 to 15 years for a well-kept goldfish. Goldfish are omnivores, which shapes what you feed and how much. They reach maturity at about 1.5 years old.
Goldfish are cold-water fish that produce significant waste and grow large, they need a heavily filtered, spacious tank or pond, not a bowl.
The health problems vets see most often in goldfish include swim bladder disorder, ammonia/nitrite poisoning from undersized tanks, ich (white spot disease) and fin rot.
Goldfish quick facts
| Measure | Goldfish |
|---|---|
| Typical lifespan | 10–15 years |
| Diet | Omnivore |
| Mature at | About 1.5 years |
| Clutch size | 500–1000 eggs |
Where to start
- Thinking about getting a goldfish? Start with the cost tools to see what you are signing up for.
- Setting up a home? The housing calculators size the space and work out how much bedding or substrate you need.
- Unsure about feeding? The nutrition tools give a daily amount you can adjust as you go.
- Raising a young goldfish? Use the weight and growth tools to check it is on track.
- Caring for an older goldfish? The age tools show its life stage and what usually changes next.
Other fish & aquatics
If you keep more than one kind of animal, there are tools for betta fish, guppy, molly and tetra. You can also browse every pet on XpertsPet.