malawi

Metriaclima Fainzilberi Luwino Reef F1

🐟 Metriaclima fainzilberi “Luwino Reef” — Species Description
📏 Size

Adult size: 10–12 cm (4–5 inches)

Males and females are similar in size

Males develop stronger coloration and more dominant behavior

🌍 Occurrence (Natural Origin)

Endemic to Lake Malawi, East Africa

Occurs naturally at Luwino Reef, a rocky reef system in the southern part of the lake

Inhabits shallow to mid-depth rocky reef zones

Strongly associated with:

Rock piles

Caves

Vertical rock faces

“Luwino Reef” is a true geographic locality, meaning this is a wild-type population, not a hybrid or line-bred strain.

🎨 Appearance

Adult males:

Bright blue body

Dark vertical barring

Yellow to orange highlights on the dorsal fin (varies by dominance)

Females & juveniles:

Brownish to grey with faint barring

Less colorful than males

Typical zebra-type body shape (robust, deep-bodied Mbuna)

🍽️ Diet (Preferred Food)

In the wild:

Primarily an aufwuchs feeder

Grazes on:

Algae

Diatoms

Small crustaceans and microorganisms living on rocks

In the aquarium:

Spirulina-based flakes or pellets

Vegetable-rich Mbuna foods

Occasional light protein:

Brine shrimp

Daphnia

⚠️ Avoid heavy animal protein (bloodworms, beef heart). Like other Metriaclima, this species is susceptible to Malawi bloat if fed incorrectly.

🧠 Behavior & Temperament

Moderately aggressive Mbuna

Less aggressive than Melanochromis species

Comparable to other Metriaclima “zebra” types

Males strongly defend rock territories

Best kept:

In Mbuna-only aquariums

With similarly aggressive Mbuna (Cynotilapia, Labeotropheus, robust Labidochromis)

Recommended ratio: 1 male to 3–4 females

🏞️ Preferred Aquarium Conditions

Tank size: Minimum 250–300 L (65–75 gallons)

pH: 7.8–8.6

Hardness: Moderate to hard

Temperature: 24–28 °C (75–82 °F)

Substrate: Sand

Décor: Heavy rockwork with caves and broken sight lines

🧾 Quick Summary
Feature Details
Scientific Name Metriaclima fainzilberi
Locality Name Luwino Reef
Group Mbuna
Adult Size 10–12 cm (4–5 in)
Origin Lake Malawi (Luwino Reef)
Diet Algae/aufwuchs with light protein
Temperament Moderate aggression
Best Setup Mbuna-only rocky aquarium