Blue Zebra Mbuna Cichlid - 4"

Species Profile

• Scientific Name: Maylandia callainos (formerly Metriaclima callainos)
• Common Name: Blue Zebra Mbuna Cichlid, Cobalt Blue Mbuna
• Adult Size: 4–5 inches (10–13 cm)
• Life Expectancy: 6–10 years with proper care
• Habitat: Endemic to Lake Malawi, specifically in rocky shoreline zones. Prefers areas with boulders and caves that provide territory and protection.

Tank Requirements

• Minimum Tank Size: 55 gallons (larger tanks recommended for communities)
• Ideal Temperature: 75–82°F (24–28°C)
• pH Range: 7.8–8.6
• Water Hardness: 10–20 dGH

• Temperament: Aggressive and territorial

  • Best kept in species-only tanks or well-structured Mbuna communities
  • Keep one male with multiple females to reduce harassment
  • Provide plenty of rocks and hiding spots to manage aggression and establish territories

Diet & Nutrition

• Omnivorous: Yes, with strong herbivorous tendencies
  • Primary diet should include vegetable-based flakes or pellets (e.g., spirulina)
  • Supplement with blanched vegetables like spinach, zucchini, or peas
  • Occasional treats like brine shrimp or daphnia are acceptable
  • Avoid high-protein foods like bloodworms to prevent Malawi bloat

Appearance

• Solid light to cobalt blue body with or without faint vertical barring
• Some variants exhibit a white belly or subtle lavender hues
• Males are typically more vibrant than females
• Rounded fins with slight extensions in mature males

Distinctive Features

• Color morph of the Zebra Mbuna group, but distinguished by its uniform blue color
• Exhibits typical Mbuna body shape: stocky, muscular, and oval
• Highly territorial — will defend caves and crevices
• Mouthbrooder: females incubate eggs and fry in their mouths for ~3 weeks
• Very active and thrives in a rock-heavy, high-pH environment with stable water conditions