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Aulonocara baenschi Benga is a striking cichlid from Lake Malawi, valued for the vivid coloration of mature males and its generally calmer nature compared with many mbunas. This geographical form, associated with Benga Island, belongs to the Malawi peacock group, fish that examine sandy bottoms while searching for small prey. Its appeal comes from the strong contrast between the golden yellow head and body and the blue highlights on the fins. Relatively common in the aquarium trade, this variety is an excellent choice for a properly arranged African cichlid aquarium.

General description of the species

Aulonocara baenschi Benga is a haplochromine cichlid from Lake Malawi, generally placed among the peacocks of the genus Aulonocara. In aquariums, it is sought after for its coloration as well as its more moderate temperament compared with many mbuna cichlids. The adult male defends a small breeding territory, while females and juveniles show much more subdued colors. It should be kept in a group, with a female-biased ratio to reduce breeding pressure on individual females. A layout made with fine sand, rocks and hiding places suits its foraging behavior. Its availability is generally good in the aquarium trade, corresponding to a rarity level of 1 — very common.

Geographical origin and biotope

The Aulonocara baenschi Benga form is associated with Lake Malawi in East Africa, in the area referred to here as Benga Island, Tanzania. Aulonocara usually inhabit transition zones between rocky areas and sandy bottoms. They use their lateral line and sensory pores to detect small organisms buried in the substrate. Lake water is clear, alkaline and mineral-rich, with generally moderate movement rather than a strong current. The habitat has little dense aquatic vegetation; rocks mainly provide shelter, territorial boundaries and resting places. In an aquarium, an open layout should therefore be preferred, leaving a broad area of accessible sand.

Precise locality and local name

The trade designation Aulonocara baenschi Benga refers to the locality of Benga Island, used to distinguish this population or geographical form from other Aulonocara. The most common hobby name is Benga Peacock. Locality names are important with Malawi cichlids because similar-looking fish may come from different areas and show distinct color patterns. To preserve the identity of the strain, it is best not to mix different geographical forms or allow breeding with other Aulonocara.

Appearance and physical characteristics

The mature male of Aulonocara baenschi Benga generally shows a golden yellow to orange body, enhanced by metallic blue highlights on the head, fins and sometimes the flanks. The body is elongated and laterally compressed, with the large dorsal and anal fins typical of Aulonocara. The fins may display bluish markings and contrasting edges. Females are more subdued, often grayish brown with vertical bars or a less distinct pattern. As in several Malawi peacocks, the sensory pores on the head play an important role in detecting prey in the sand. The commonly accepted maximum size is about 13 cm, depending on sex and growing conditions.

General diet

In nature, Aulonocara baenschi Benga sifts sand through its mouth to capture small invertebrates and other benthic organisms. In an aquarium, its diet should remain varied, digestible and based on quality marine or plant ingredients, without being excessively rich. Offer small portions of African cichlid pellets or flakes, supplemented with frozen foods such as brine shrimp or daphnia. Feeding two or three small meals helps reduce waste and digestive problems. Avoid foods that are very rich in mammal meat and avoid overfeeding, which can promote obesity and quickly reduce water quality.

Essential data

• Name of the river of origin: Benga Island
• Local name used: Benga Peacock
• Origin of the scientific name: Aulonocara baenschi
• Full-name etymology: Aulonocara comes from the Greek aulos, flute, and kara, head; baenschi honors Hans Baensch.
• Common/vernacular names: Benga Peacock
• Family: Cichlidae
• Subfamily: Pseudocrenilabrinae
• Name pronunciation: aw-loh-noh-KAR-ah - BAYN-shy
• Discovery: Ad Konings, 1985
• Maximum adult size: About 13 cm
• Water temperature and pH: 24 to 28 °C; pH 7.6 to 8.6
• Appearance of the watercourse and surrounding vegetation: Clear, alkaline and mineral-rich water; rocky and sandy areas with little dense aquatic vegetation.
• Typical tankmates: Aulonocara hansbaenschi, Aulonocara jacobfreibergi, Placidochromis sp., Copadichromis sp., Labidochromis sp.
• Temperament and behavior: Generally peaceful for a Malawi cichlid, but territorial during breeding; actively searches for food in the sand.
• Water depth: Littoral and transition zones, usually shallow to moderately deep.
• Sexual dimorphism: Male larger and brightly colored; female grayish, duller and often barred.
• Bottom structure and flow: Fine sand mixed with rocks; low to moderate flow.

In your aquarium

To maintain Aulonocara baenschi Benga successfully, provide a spacious aquarium with effective filtration and a layout of fine sand, stable rocks and open swimming areas. Keep the water alkaline, hard and very clean, avoiding sudden changes in temperature or pH. A group consisting of one male and several females usually reduces tension. Avoid overly aggressive tankmates and do not mix different Aulonocara geographical forms. Moderate feeding, strong filtration and regular water changes are the keys to good coloration and natural behavior. Stability matters more than trying to maintain extreme parameters.