Cobalt Blue Zebra (Maylandia callainos)
 
The Cobalt Blue Zebra is a stunning African cichlid from Lake Malawi, admired for its vivid solid blue colouring and strong, active personality. A member of the mbuna group, it is hardy and well-suited to rocky aquascapes. This fish is best kept with other Malawi cichlids in a well-structured community.
 
Care Sheet
Scientific Name: Maylandia callainos (also known as Metriaclima callainos)
Common Name: Cobalt Blue Zebra
Origin: Lake Malawi, Africa
Max Size: 12–13 cm
Lifespan: 7–10 years
Temperament: Semi-aggressive, territorial
 
Aquarium Requirements
Tank Size: Minimum 200 litres
Temperature: 24–27°C
pH: 7.8–8.6
Hardness: 10–20 dGH
Aquascape: Rocky environment with caves and hiding places; sandy substrate recommended
 
Diet
Primarily herbivorous – feed spirulina-based pellets, flakes, and vegetable matter (zucchini, spinach, peas).
Avoid protein-rich or meaty foods to prevent digestive issues like Malawi bloat.
 
Compatibility
Best kept in groups with a ratio of 1 male to several females to reduce aggression.
Suitable tankmates include other mbuna cichlids of similar size and temperament.
Avoid housing with overly peaceful species or non-African cichlids.
 
Breeding
Maternal mouthbrooder.
Females carry eggs and fry in their mouths for about 3 weeks.
Provide a rocky environment with flat surfaces for spawning.
Fry can be fed crushed flakes or freshly hatched brine shrimp.
 
Summary: The Cobalt Blue Zebra is a bold and brilliantly coloured mbuna cichlid from Lake Malawi. With the right diet, water conditions, and rocky setup, it will thrive and display natural behaviours, making it a favourite among African cichlid enthusiasts.