Pseudotropheus feinzilbergi red dorsal 4 - (Pseudotropheus feinzilbergi) — 4-5cm

Overview

The Pseudotropheus feinzilbergi red dorsal is a striking and territorial Lake Malawi mbuna cichlid for sale UK, distinguished by its vivid red dorsal fin accent and bold personality. This species hails from the rocky shoreline habitats of Lake Malawi in East Africa, where males establish and vigorously defend territories among the rocks. With its dramatic coloration, fascinating behaviour, and relatively modest size, this mbuna makes an impressive addition to specialized African cichlid aquariums. Males develop particularly intense coloration during breeding, displaying brilliant red dorsal fins that contrast beautifully against blue-grey body tones. As with all mbuna, this species requires hard, alkaline water, a primarily herbivorous diet, and appropriately robust tankmates to thrive.

Appearance

Pseudotropheus feinzilbergi red dorsal presents a robust, laterally compressed body typical of mbuna species. Males display a base coloration of blue-grey to silvery-blue with prominent dark vertical barring, topped by a spectacular bright red to orange-red dorsal fin that runs the full length of the back. This red dorsal accent provides the variety's common name and makes males immediately recognizable. Females are generally less colorful, showing muted grey-brown tones with less defined barring and reduced red coloration on the dorsal. Breeding males intensify all colors, with the red dorsal becoming almost luminescent and body colors deepening. The mouth is terminal and slightly upturned, adapted for scraping algae from rock surfaces. Egg spots on the male's anal fin play a role in the breeding ritual characteristic of maternal mouthbrooding cichlids.

Natural Habitat

This species inhabits the rocky shoreline regions of Lake Malawi, typically found in the upper rock zone at depths from 1 to 10 meters where abundant aufwuchs growth provides the primary food source. Males establish territories centered on specific rocks or crevices, defending them year-round against rivals and other herbivorous mbuna competing for the same algae-covered surfaces. The lake's hard, alkaline water with high mineral content and exceptional clarity has remained stable for thousands of years, fostering remarkable cichlid diversity. In nature, Pseudotropheus feinzilbergi grazes continuously on aufwuchs—the biofilm matrix of algae, diatoms, microorganisms, and tiny invertebrates coating rock surfaces. The complex rocky habitat provides both feeding grounds and shelter from predatory cichlids.

Aquarium Setup

A minimum 250-litre aquarium provides adequate space for a male with multiple females or a small mbuna community. Create a Lake Malawi biotope using coral sand or crushed coral substrate to help maintain alkaline pH. Arrange substantial rockwork to create multiple territories, caves, and sight-line barriers—stack rocks securely to prevent collapse, as mbuna actively rearrange substrate. Provide numerous caves and crevices of varying sizes, with multiple exit points to prevent dominant fish from trapping subordinates. Leave some open swimming space, particularly along the front viewing area. Lighting should be moderate to bright, promoting algae growth on rocks for grazing. Powerful filtration is essential—mbuna are heavy feeders producing substantial waste. Use canister filters or sump systems capable of turning over tank volume 6-10 times per hour. Supplement with moderate water movement. Avoid delicate plants; hardy species like Vallisneria or plastic decorations may be used.

Water Parameters

Replicating Lake Malawi's stable, hard, alkaline water is essential. Maintain pH between 7.5 and 8.5 using alkaline buffers, coral sand substrate, or Malawi salt mixes, with hardness of 10-20 dGH. Temperature should remain steady at 24-26°C using a reliable heater. Water quality must be excellent: ammonia and nitrite always zero, nitrates kept below 20 ppm through regular 30-40% weekly water changes—mbuna are sensitive to nitrate accumulation. Use dechlorinated water matched to tank parameters. Ensure strong surface agitation for oxygen exchange. Test regularly for pH stability and mineral content. Avoid sudden parameter shifts, which stress mbuna and trigger disease outbreaks. The combination of proper filtration, regular water changes, and stable chemistry is non-negotiable for long-term success with Lake Malawi cichlids.

Feeding

Primarily vegetable and algae-based mbuna diet; offer high-quality spirulina-based cichlid pellets, algae wafers, and vegetable matter such as blanched courgette, spinach, peas, or nori sheets. Mbuna have elongated digestive tracts adapted for processing plant material—excessive protein causes digestive issues and bloat. Supplement with occasional small protein foods like brine shrimp or cyclops, but keep animal protein to less than 20% of total diet. Feed two to three times daily in moderate portions. Encourage natural grazing by allowing algae to grow on rocks and tank surfaces. Avoid mammalian meats, fatty foods, or high-protein preparations marketed for carnivorous cichlids. Include vitamin-enriched spirulina preparations to support coloration and immune health. Observe feeding to ensure all fish receive adequate nutrition—dominant males may monopolize prime feeding areas.

Behaviour

Pseudotropheus feinzilbergi displays aggressive territorial behaviour typical of mbuna. Males establish and vigorously defend territories centered on rock structures, engaging in mouth-wrestling, lateral displays, and chasing when rivals intrude. Dominant males display intense coloration continuously, while subordinate males suppress color to avoid aggression. Females form loose groups outside male territories. Aggression toward conspecifics and similarly colored species is particularly intense. In appropriately stocked tanks with adequate rockwork providing territorial boundaries, much aggression is ritualized posturing. However, this species can become dangerously aggressive in cramped tanks or toward weaker tankmates. Active during daylight, constantly patrolling territories and grazing rock surfaces. Overcrowding paradoxically reduces individual aggression by preventing any single male from dominating the entire tank. Provide visual barriers and territory options for subordinate fish.

Tank Mates

Compatible tank mates include other Lake Malawi mbuna of similar size and temperament—Pseudotropheus, Labidochromis, Melanochromis, and similar species. Robust African cichlids from hard, alkaline water that can hold their own in territorial disputes work well. The classic mbuna community involves multiple species with differing color patterns to reduce conspecific aggression. Avoid peaceful community fish that will be bullied relentlessly, slow-moving or long-finned fish that become targets, small fish that can be injured or eaten, soft-water species with incompatible chemistry requirements, and overly passive cichlids unable to compete. Extremely aggressive mbuna like some Melanochromis should be chosen carefully. The key is balanced stocking with robust species, ample territories, and careful monitoring. A well-planned Lake Malawi mbuna community creates a dynamic, colorful display reminiscent of the lake's rocky shorelines.

Breeding

Maternal mouthbrooder; males defend territories and display intense coloration to attract females. When a receptive female approaches, the male performs circular courtship displays at his spawning site, typically a flat rock surface. The female lays eggs in batches, immediately picking them up in her mouth. She then attempts to pick up egg spots on the male's anal fin, fertilizing eggs in the process. The female then retreats to a quiet area to brood for approximately 21-28 days, during which she does not eat and her throat pouch visibly swells. Provide multiple females per male, stable water chemistry, and ample hiding places for brooding females. Remove aggressive tankmates if necessary. Newly released fry are relatively large and capable swimmers, accepting crushed flake and newly hatched brine shrimp immediately. For best survival, move brooding females to breeding tanks or raise fry separately. In community tanks, provide rock cave refuges, though fry survival is lower.

Why Buy from Tropical Fish Co

At Tropical Fish Co, we specialize in premium African cichlids, including stunning Lake Malawi mbuna like Pseudotropheus feinzilbergi red dorsal. Every fish undergoes comprehensive quarantine in authentic Malawi water conditions and thorough health screening before dispatch. Our expert team provides detailed guidance on mbuna community stocking, tank setup, water chemistry management, and diet to ensure long-term success. We offer secure next-day delivery throughout the UK with professional insulated packaging and seasonal temperature control. Our commitment includes healthy, vibrant fish backed by our live arrival guarantee and ongoing support for the life of your aquarium. Whether building your first Lake Malawi biotope or expanding an established mbuna community, trust Tropical Fish Co for exceptional quality, expert knowledge, and customer service that stands behind every fish. Bring the vibrant colors of Lake Malawi into your home with confidence.