Nkhomo-benga Peacock Cichlid - Aulonocara baenschi Fish Profile & Care Guide
Introduction
The Nkhomo-benga Peacock (Aulonocara baenschi) is a striking and highly sought-after Peacock Cichlid endemic to Africa. This species is admired for its vibrant yellow and electric blue colouration, especially in dominant males. It's a manageable, peaceful member of the Aulonocara genus, making it ideal for intermediate hobbyists seeking a colourful yet relatively docile African Cichlid.
Unlike traditional shoaling fish, Nkhomo-benga Peacocks do not form tight schools. Males are territorial and solitary, especially during courtship, while females may loosely associate in small groups. They are best kept in harem arrangements with one male and three or more females to diffuse aggression and mimic natural social dynamics.
Thanks to their relatively peaceful temperament, Nkhomo-benga Peacocks can coexist with other non-aggressive Lake Malawi Cichlids, particularly other Aulonocara species, assuming care is taken to avoid hybridisation. Avoid housing them with overly aggressive Mbuna or large predatory Haps. Suitable tankmates include species with similar size, temperament, and dietary needs.
A minimum aquarium size of 200 litres is recommended to accommodate a single male along with his harem of females, ensuring sufficient space for territorial behaviour and natural social dynamics. The substrate should be sandy to mimic their natural environment and allow for their natural sifting behaviour. Incorporate plenty of caves, rockwork, and open swimming areas. Good filtration and strong oxygenation are essential, as they come from clear, well-oxygenated waters. Maintain high water quality and stable hardness to prevent stress-related illness.
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Photos
Sexual Dimorphism
Sexual differences are pronounced in Nkhomo-benga Peacocks. Mature males display vibrant golden-yellow bodies with electric blue highlights on the face and fins, often with faint vertical barring. Females are more subdued, typically silver to beige, with faint body markings and no metallic hues. Juveniles resemble females until the male's colouration intensifies around 6 months of age.
Quick Facts
| Scientific Name | Aulonocara baenschi |
|---|---|
| Year Described | 1985 |
| Other Names | Yellow Benga Cichlid, Yellow Regal Peacock, Yellow Peacock Cichlid |
| Kingdom | Animalia |
| Classification | Actinopterygii |
| Order | Cichliformes |
| Family | Cichlidae |
| Genus | Aulonocara |
| Origins | Malawi |
| Approx Max Size | 12 cm |
| Temperament | Peaceful |
| Aquarium Level | Bottom - Middle |
| Difficulty | Beginner - Intermediate |
| Shoaling | NA |
| Best kept as | 3 Females per Male |
| Diet & Feeding | Omnivore |
| Reproduction | Mouthbrooder |
| Average Lifespan | Up to 8 Years |
Water Parameters
| Water Type | Freshwater |
|---|---|
| pH | 7.5 - 8.5 |
| GH | 8 - 20 |
| KH | 6 - 10 |
| TDS | 180 - 300 |
| ℉ | 75 - 82 |
|---|---|
| ℃ | 24 - 28 |
Natural Habitat
The Nkhomo-Benga Peacock is endemic to Lake Malawi in East Africa, with its natural distribution confined to the lake's western shoreline, particularly around Benga in the Nkhotakota District of Malawi. Its range includes several notable locations, such as Chipoka, the Maleri Islands, Nkhomo Reef, and Usisya. These Cichlids inhabit intermediate zones, transitional areas where sandy substrates meet rocky outcrops. These habitats lie at depths of around 10 to 30 metres, where water is clear, well-oxygenated, and stable in temperature and hardness.
The Nkhomo-Benga Peacocks prefer sandy-bottomed regions where they can sift through fine sediment in search of small invertebrates while also utilising nearby rock crevices for shelter and spawning. Due to its limited geographic range, A. baenschi is considered regionally restricted within the lake, though it is commonly available in the aquarium trade through captive breeding.
Breeding
Nkhomo-benga Peacocks are maternal mouthbrooders. During breeding, the male courts a female to his chosen territory, often near a flat rock or sandy depression. After laying eggs, the female collects them in her mouth and incubates them for 18 to 21 days, during which she will not eat. Once the fry is released, you can feed them finely crushed flake or powdered food. The species breeds readily in captivity under proper conditions.
Diet & Feeding
The Nkhomo-benga Peacock is a micro-predator in the wild, using its sensitive head pores to detect invertebrates hidden in the substrate. In captivity, these Cichlids accept a variety of foods, including high-quality pellets, frozen brine shrimp, daphnia, and mysis shrimp. Occasional feedings of spirulina-based flakes or vegetable matter help balance the diet and support digestion.
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Published: 12 Jun 2025
Last Updated: 12 Jun 2025