Can goldfish live with plecos?
⚠️ Caution Sometimes, with care
- ⚠️ Caution Goldfish are coldwater fish that produce a lot of waste; they are usually kept only with other goldfish.
| Fancy goldfish | Bristlenose pleco | |
| Temperature | 68–73 °F (20–23 °C) | 70–79 °F (21–26 °C) |
| pH | 7–8 | 5.5–7.5 |
| Adult size | 7.9 in (20 cm) | 5.1 in (13 cm) |
| Temperament | Peaceful | Peaceful |
| Swims in | All levels | Bottom |
| Minimum tank | 20 gal | 20 gal |
Shared temperature: 70–73 °F (21–23 °C) · Shared pH: 7–7.5
Tips if you keep them together
- Use a tank of at least 20 US gallons with plenty of plants and hiding places.
- Set the heater around 72 °F (22 °C), the middle of the shared range.
See all fancy goldfish tank mates and bristlenose pleco tank mates, or add more species in the checker.
FAQ
Can goldfish live with plecos?
Sometimes, with care. Goldfish are coldwater fish that produce a lot of waste; they are usually kept only with other goldfish.
What temperature for goldfish and plecos?
Fancy goldfish: 68–73 °F (20–23 °C). Bristlenose pleco: 70–79 °F (21–26 °C). Shared range: 70–73 °F (21–23 °C).
What size tank for goldfish and plecos?
At least 20 US gallons, more as you add fish.
Note: Compatibility depends on individual temperament, tank size, decor and how fish are introduced. Our verdicts use conservative rules applied to published care data (see methodology). They are guidance, not a guarantee. Quarantine new fish and watch for chasing, torn fins or hiding.