
Aulonocara sp. 'Firefish' - Tropical Fish for Sale UK
24–28°C · pH 7.5–8.5 · 200L

Pseudotropheus sp. 'msobo' (often treated in the hobby as Pseudotropheus msobo / Chindongo msobo depending on source)
A striking Lake Malawi Mbuna with vivid color and active personality, ideal for experienced cichlid keepers who can provide hard, alkaline water and a.
Maintain these water conditions for optimal health and vibrant colors
The Pseudotropheus sp. msobo XL is a striking Lake Malawi Mbuna with vivid color and active personality, ideal for experienced cichlid keepers who can provide hard, alkaline water and a rock-filled aquarium. Originating from the rocky littoral zones of Lake Malawi, especially around Msuli and Ngara populations, this medium-sized mbuna reaches around 12 cm in adult length and displays the characteristic aggressive territoriality and vibrant coloration of Lake Malawi cichlids. Now available for sale UK from Tropical Fish Co, this XL-size specimen brings mature coloration and dynamic energy to dedicated mbuna aquariums.
Adult males display stunning coloration that varies by locality, typically including vivid blues, purples, or oranges with contrasting patterns. XL specimens show full mature coloration and finnage development. Females are more subdued. Dominant males intensify colors during displays. The robust body and upturned mouth are characteristic of mbuna cichlids.
Lake Malawi is renowned for clear, alkaline water and exceptional cichlid diversity. Pseudotropheus sp. msobo inhabits rocky zones where it grazes algae. The lake's stable chemistry has driven specialized evolution. Replicating these conditions is essential.
Minimum 250 litres recommended. Extensive rockwork for caves and sight breaks. Sandy substrate. Strong filtration (8-10x tank volume per hour) and regular water changes (30-40% weekly) essential.
Primarily herbivorous Mbuna diet with frequent vegetable matter such as spirulina, algae-based flakes/pellets, blanched greens, and only very occasional small protein-rich foods in moderation. Feed small portions two to three times daily.
Semi-aggressive. Males establish territories and display intense coloration. Provide multiple females per male, rockwork for spawning sites, and remove fry or protect them from tankmates if breeding is desired.
Top Tip: XL specimens are mature and display peak coloration. Ensure adequate tank size and territories to manage their established territorial behavior. Rearranging rockwork can help when introducing new tankmates.
Other robust Lake Malawi Mbuna of similar size and temperament, Synodontis catfish, and other hard-water African cichlids of comparable aggression. Avoid small peaceful fish, slow-moving fish with long fins, shrimp and most invertebrates, overly aggressive large cichlids, and soft-water community fish.
Maternal mouthbrooder. Breeding triggered by stable alkaline water and warm temperatures. Provide rockwork and multiple females per male. Fry raised on finely crushed spirulina or brine shrimp. Separate to maximize survival.
Keep in hard, alkaline water with strong filtration and plenty of rock caves and sight breaks. Mbuna can be territorial, so overcrowding with appropriate tankmates is often better than understocking. Quarantine new arrivals. With proper care, this is a hardy, long-lived species.
Tropical Fish Co is the UK's leading source for healthy, mature Lake Malawi cichlids. Every XL Pseudotropheus sp. msobo is hand-selected for peak coloration and vitality, shipped with expert care. We provide care guidance, support, and a live arrival guarantee. Order today and bring a fully mature, stunning mbuna into your aquarium.
Healthy, vibrant fish from trusted suppliers
Detailed care guides and support
Your fish arrives healthy or we'll replace it
Properly quarantined and ready for your tank

24–28°C · pH 7.5–8.5 · 200L


24–28°C · pH 7.5–8.5 · 500L

24–28°C · pH 5.5–7 · 60L

22–28°C · pH 6.5–8 · 20L

22–26°C · pH 6–7.5 · 30L

22–28°C · pH 6–7.5 · 60L

24–28°C · pH 7.5–8.5 · 150L

22–28°C · pH 7.5–8 · 40L
22–28°C · pH 7–8.5 · 100L

22–27°C · pH 6–7.5 · 80L

24–28°C · pH 6–7.5 · 40L

24–28°C · pH 6–7.5 · 80L

24–28°C · pH 6.5–7.5 · 2000L
22–28°C · pH 7–8.5 · 60L

24–28°C · pH 7.5–8.5 · 200L