Turquoise Rainbowfish
Melanotaenia lacustris — Brilliant blue-and-turquoise rainbow; one of the most striking species, keep 6+.
Care at a glance
| Scientific name | Melanotaenia lacustris |
|---|---|
| Type | schooling |
| Adult size | 4.5" |
| Minimum tank | 40 gal |
| Group size | 6+ |
| Temperament | peaceful |
| Temperature | 72-79°F |
| pH | 7.0-8.5 |
| GH | 8-20 |
| Diet | Flake, pellets, frozen |
| Swimming zone | all |
| Care level | easy |
| Plant-safe | Yes |