Goldfish (Fancy)
⚠ NOT a bowl fish — high bioload, coldwater, needs big filtered tank
Overview
The Goldfish (Fancy) (Carassius auratus) is a Freshwater (Coldwater) fish growing to about 6–8 in and living 10–15 yrs. It's peaceful and best kept in a group. Plan a tank of at least 20–30 gal (first fish). With a typical lifespan of around 13 years, it's a medium-length commitment.
Is the Goldfish (Fancy) right for you?
A good match if — you want a calm community tank.
What a Goldfish (Fancy) needs from you
The ongoing work is water quality: filtration, regular water changes and stable parameters. As a coldwater fish it needs no heater, but still a properly sized, filtered tank. Don't undersize the tank (minimum about 20–30 gal (first fish)).
Key facts
- Water type
- Freshwater (Coldwater)
- Scientific name
- Carassius auratus
- Adult size
- 6–8 in
- Life span
- 10–15 yrs
- Temperament
- peaceful
- Social needs
- groups
- Min. tank
- 20–30 gal (first fish)
- Care level
- beginner-intermediate
- Notes
- ⚠ NOT a bowl fish — high bioload, coldwater, needs big filtered tank
What it needs from you (at a glance)
| Space needed | |
| Experience needed | |
| Maintenance | |
| Time per day | |
| Need for company | |
| Handling / closeness | |
| Cost level |
What it costs
Scaled to this breed’s roughly 60 g and a ~13-year life, keeping a Goldfish (Fancy) works out at about:
Rough cross-breed averages in USD — a planning guide, not a quote. Break it down by life phase in the Cost Calculator →
Temperament (at a glance)
| Affection | no data yet |
| Energy | no data yet |
| Vocalness | |
| Trainability | no data yet |
| Tolerates alone | no data yet |