The Mmetriaclima callainos also known as Cobalt blue mbuna, Cobalt Blue Zebra Cichlid or Cobalt Zebra, is a stunning fish. The electric blue colours of the Blue Zebra Cichlid set it apart from other cichlids and will brighten up any cichlid tank.
| Scientific name | Common Name | Size | Temperament |
| Maylandia callainos | Cobalt Mbuna | 80mm | Semi-Aggressive |
| Water Temperature | Water pH | Tank size | Diet |
| 24-27oC | 7.5 - 8.5 | 200 litres | omnivore |