Compatibility Overview
Goldfish and Nerite Snail are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
| Factor | Goldfish | Nerite Snail | Verdict |
|---|---|---|---|
| Temperature | 50–74°F | 65–85°F | ✅ 65–74°F |
| pH Range | 6.5–8.0 | 6.5–8.5 | ✅ 6.5–8.0 |
| Temperament | peaceful | peaceful | ✅ Compatible |
| Adult Size | 12 in | 1 in | ❌ 12× difference |
| Min. Group | 1+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | — | |
✅ Compatibility Positives
❌ Incompatibility Reasons
Species Profiles
Goldfish — Carassius auratus
Classic pond and aquarium fish that prefer cool water. Heavy waste producers that require robust filtration. Will eat small fish and shrimp.
Nerite Snail — Nerita spp.
Outstanding algae-eating snails that do not reproduce in freshwater. Extremely hardy and compatible with virtually all peaceful fish.
Frequently Asked Questions
Can Goldfish live with Nerite Snail?
Generally not recommended. Goldfish and Nerite Snail are generally not recommended to be housed together. The issues listed above — whether water parameter incompatibility, predation risk, or aggression — create conditions where one or both fish are likely to suffer harm or chronic stress.
What tank size do I need for Goldfish and Nerite Snail together?
A minimum of 100 gallons is recommended for keeping Goldfish and Nerite Snail together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Goldfish and Nerite Snail?
65–74°F
Is a Goldfish aggressive toward a Nerite Snail?
Goldfish is peaceful and Nerite Snail is peaceful. Goldfish requires cold water; Nerite Snail requires tropical water. These environments are incompatible.