Melanochromis johannii (20-35mm)

Melanochromis johannii (Electric Blue Johanni) Care & Description

Description:

• Common Name: Electric Blue Johanni

• Scientific Name: Melanochromis johannii

• Family: Cichlidae

• Origin: Lake Malawi, Africa

• Size: Up to 4 inches (10 cm)

• Lifespan: 5-8 years

• Sexual Dimorphism:

  • Males: Bright blue with darker vertical bars

  • Females & Juveniles: Yellow to orange coloration

Care Requirements:

• Tank Size: Minimum 40 gallons for a small group; larger for multiple males

• Water Parameters:

  • Temperature: 75-82°F (24-28°C)

  • pH: 7.5-8.5

  • Hardness: Moderate to high (10-20 dGH)

• Filtration: Strong filtration; requires well-oxygenated water

• Substrate & Décor:

  • Sand or fine gravel substrate

  • Plenty of rock formations and caves for hiding spots

  • Avoid sharp decorations to prevent injuries

• Diet:

  • Omnivorous but prefers herbivorous foods

  • High-quality cichlid pellets, spirulina, vegetable matter

  • Occasional protein treats (brine shrimp, mysis shrimp)

• Temperament:

  • Aggressive, especially males

  • Best kept in a species-only tank or with similarly aggressive Mbuna cichlids

  • Avoid slow or peaceful tankmates

• Tank Mates:

  • Other Mbuna species (Zebra Cichlids, Yellow Labs, etc.)

  • Avoid Peacocks or Haplochromis species due to aggression level differences

• Breeding:

  • Maternal mouthbrooder – females carry eggs and fry in their mouths for 3-4 weeks

  • Requires hiding spots for fry to survive

  • Males become territorial and may harass females excessively