Livestock Compatibility Checker
Pick any two species - get an instant read on whether they'll coexist, and why.
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Caution
Damsels frequently bully newly-added clownfish, especially in tanks under 40 gallons.
Min. tank size
20 gal
Aggression risk
Moderate
Reef safe (both)
Yes
Species reference
| Species | Min. tank size | Aggression (1-4) | Reef safe |
|---|---|---|---|
| Clownfish (Ocellaris) | 20 gal | 2 - Low | Yes |
| Damselfish | 20 gal | 4 - High | Yes |
| Yellow Tang | 75 gal | 2 - Low | Yes |
| Sixline Wrasse | 30 gal | 3 - Moderate | Yes |
| Coral Beauty Angelfish | 70 gal | 2 - Low | No - check corals |
| Cleaner Shrimp | 10 gal | 1 - Minimal | Yes |
| Peppermint Shrimp | 10 gal | 1 - Minimal | Yes |
| Banggai Cardinalfish | 20 gal | 1 - Minimal | Yes |