Choosing Pearl Danio Tank Mates
Good Pearl Danio tank mates share the same temperature and pH window, will not be eaten by (or eat) the Pearl Danio, and do not compete for the same swimming zone or feeding time. Each pair guide below scores those factors from 0 to 100 and gives the minimum tank size for keeping both species together.
Start with the highest-scoring pairs; anything under 45 is listed so you know what to avoid, not as a recommendation.
Care baseline
The Pearl Danio is a popular freshwater fish known for its shimmering blue and white colors. It is a peaceful community fish that can be kept in a tank with other peaceful species. These fish are moderately active and do not require a large tank. They are suitable for beginners due to their hardiness and ease of care.
| Temperature | 72–79°F |
| pH | 6.5–7.5 |
| Adult size | 2.5 in |
| Minimum group | 6 |