Electric Blue Johanni

Melanochromis johanni

CichlidsIntermediate

Species Details

Electric Blue Johanni are stunning mbuna cichlids from Lake Malawi. Males develop brilliant electric blue colouration whilst females remain yellow-orange. They are highly aggressive and territorial, requiring carefully planned tank setups.

Intermediate Care Level

Basic Information

Size8-10 cm (3-4 inches)
TemperamentHighly Aggressive
DietHerbivorous/Omnivorous
Lifespan8-10 years
Tank Size208+ litres (55+ gallons)

Water Parameters

Temperature
24-28°C (75-82°F)
pH Level
7.8-8.6
Hardness
10-25 dGH

Tank Mate Recommendations

Based on 1 selected species

Current Selection:

Electric Blue Johanni
Fully Compatible Species
Compatible

Malawian Cichlids

Various Pseudotropheus, Melanochromis, Labidochromis

Cichlids
Size:7.6-15.2 cm (3-6 inches)
Care Level:Intermediate
Temperament:Aggressive/Territorial
100%
Compatible

Pleco Catfish

Various Hypostomus, Pterygoplichthys species

Catfish
Size:15-45 cm (6-18 inches)
Care Level:Intermediate
Temperament:Peaceful but territorial
100%

💡 Tank Mate Tips

• Consider adult size when planning tank space

• Research specific water parameter requirements

• Introduce new fish gradually to reduce stress

• Monitor behavior closely during the first weeks

Quick Facts

Striking electric blue males with aggressive nature

Females are yellow-orange in colour

Rocky substrate essential for natural behaviour

Highly territorial mbuna species

Requires hard alkaline water conditions

Males can reach 10 cm in captivity

Needs multiple caves and hiding spots

Should be kept in species-specific setups

Aggressive towards similar-coloured fish

Endemic to Lake Malawi rocky shores

Compatibility Summary

Compatible Species2
Requires Caution6

Care Requirements

Tank Size208+ litres (55+ gallons)
Temperature24-28°C (75-82°F)
pH7.8-8.6
Hardness10-25 dGH