Chili Rasbora and Goldfish Compatibility Overview
Chili Rasbora and Goldfish are generally not recommended to be housed together. Goldfish is a cool-water fish and Chili Rasbora is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
| Factor | Chili Rasbora | Goldfish | Verdict |
|---|---|---|---|
| Temperature | 68โ82ยฐF | 50โ74ยฐF | โ 68โ74ยฐF |
| pH Range | 4.0โ7.0 | 6.5โ8.0 | โ ๏ธ 6.5โ7.0 (narrow) |
| Temperament | peaceful | peaceful | โ Compatible |
| Adult Size | 0.8 in | 12 in | โ 15ร difference |
| Min. Group | 8+ | 1+ | See below |
| Min. Tank Size | 100 gallons (for both species) | โ | |
Compatibility Positives
Incompatibility Reasons
Species Profiles
Chili Rasbora โ Boraras brigittae
Vivid red nano fish from Borneo blackwater habitats. Extremely small โ only safe with fish too small to swallow them.
โ Full Chili Rasbora care guide
Goldfish โ Carassius auratus
Classic pond and aquarium fish that prefer cool water. Heavy waste producers that require robust filtration. Will eat small fish and shrimp.
Frequently Asked Questions
Can Chili Rasbora live with Goldfish?
Generally not recommended. Chili Rasbora and Goldfish are generally not recommended to be housed together. Goldfish is a cool-water fish and Chili Rasbora is tropical, so the usable temperature range decides this pairing. The adult size gap creates a meaningful predation risk. Review the behavior and water details before deciding whether to attempt the pairing.
What tank size do I need for Chili Rasbora and Goldfish together?
A minimum of 100 gallons is recommended for keeping Chili Rasbora and Goldfish together. A larger tank improves water stability and reduces territorial conflict.
What temperature suits both Chili Rasbora and Goldfish?
68โ74ยฐF โ inside Chili Rasbora's 68โ82ยฐF and Goldfish's 50โ74ยฐF.
Is a Chili Rasbora aggressive toward a Goldfish?
The adult size gap creates a meaningful predation risk.
Related Compatibility Guides
Tank Size for Chili Rasbora and Goldfish
Use the scenario that matches the actual group sizes and temperament you plan to keep.
| Scenario | Tank | When it applies |
|---|---|---|
| Minimum viable | 100 gal | Only for the recommended minimum groups, mature filtration, and close monitoring. |
| Recommended community | 150 gal | Adds territory, swimming room, and a safer buffer for behavior. |
| Low-conflict setup | 220 gal | Best when keeping larger schools or reducing territorial pressure. |