Johanni Cichlid (Melanochromis johannii) is an intermediate-level freshwater fish that needs at least 55 gallons and 75-82°F. A Malawi mbuna with a striking sexual difference: females and young are orange-gold with dark stripes while mature males turn dark blue-black. It is territorial, so keep it in a rocky tank with several females per male and tough tankmates.
Care facts at a glance
| Scientific name | Melanochromis johannii |
|---|---|
| Family | Cichlidae |
| Origin | Lake Malawi, East Africa |
| Adult size | 4-5 in |
| Minimum tank | 55 gallons |
| Temperature | 75-82°F |
| pH | 7.5-8.6 |
| Temperament | Aggressive, territorial |
| Social behavior | One male with several females |
| Swim level | Mid to lower |
| Difficulty | Intermediate |
| Diet | Omnivore: cichlid pellets, flakes, spirulina, vegetables |
| Typical lifespan | 6-8 years |
Quick tips
- Keep one male with several females.
- Do not mix with other similar striped mbuna, since males fight.
- Offer vegetable matter along with pellets.
San Diego water
Naturally suited to San Diego's hard, alkaline tap water once it is dechlorinated (the city uses chloramine, so use a conditioner that handles it). Learn the numbers in our San Diego tap water guide.
Before you buy
Make sure your tank is cycled (how to cycle a tank), check your numbers with the water testing guide, and use the compatibility guide to check tankmates. These are general ranges; individual fish and local water vary.
Find it at Pet Zone
Pet Zone Tropical Fish is a San Diego aquarium store with two locations. Stock changes daily, so call ahead if you are after a specific species or plant. Shop online at petzonesd.com.
4160 Convoy St, San Diego, CA 92111
(858) 987-0309
Open daily, 10am-6pm
Aquascaping, planted tanks
4266 University Ave, San Diego, CA 92105
(619) 283-1812
Closed Monday; Tue-Fri 10:30am-6pm, Sat 11am-6pm, Sun 11am-4pm
Monster fish, koi