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

Synodontis nigrita
A hardy, attractive African catfish with a bold personality and excellent scavenging habits for larger community aquariums. Moderate care, semi-aggressive. 21-26C, pH 6.0-7.5.
Maintain these water conditions for optimal health and vibrant colors
Synodontis nigrita, commonly known as the african catfish or nigrita catfish, is a characterful and hardy species native to the river systems of West and Central Africa, including the Niger and Congo basins. This medium-sized catfish reaches up to 12cm in adult size and brings fascinating nocturnal behavior and attractive patterning to freshwater fish for sale uk aquariums from 150 litres upward. The species displays variable coloration—typically mottled brown to grey with lighter spots—and the "white" variant mentioned in trade names refers to particularly light or silvery individuals. Like all Synodontis, this species is semi-aggressive, particularly toward other bottom-dwellers, but integrates well into community setups with appropriate planning. Available for sale UK through specialist suppliers, S. nigrita appeals to aquarists seeking a robust, interesting catfish with distinctive appearance and engaging nocturnal activity.
The synodontis nigrita displays a mottled pattern of dark brown to grey-brown with lighter spots or vermiculations creating an attractive camouflage effect. The "white" morph shows lighter overall coloration with more pronounced silvery-white spots and lighter base color. The body is robust and somewhat flattened ventrally, with three pairs of prominent barbels used for sensing food and navigating. The dorsal and pectoral fins feature sharp, bony spines—handle carefully to avoid injury. Eyes are large relative to body size, adapted for nocturnal activity. The adipose fin is well-developed, and the tail shows moderate forking. Overall appearance is typical of Synodontis species: powerful, well-armored, and purposeful.
In the wild, S. nigrita inhabits rivers, streams, and flooded areas across West and Central Africa. Natural habitats range from fast-flowing rocky rivers to slower, vegetated backwaters. These catfish are primarily nocturnal, sheltering under rocks, driftwood, or submerged vegetation during daylight and emerging at night to scavenge for food. Water conditions vary across the species' range but generally include soft to moderately hard, slightly acidic to neutral water with warm tropical temperatures. Aquarium setups should provide hiding places, moderate flow, and clean, well-oxygenated water to replicate natural conditions.
A suitable aquarium for synodontis nigrita catfish should emphasize hiding places and low lighting. A 150-litre tank suits a single specimen or a small group with careful monitoring. Use sand or smooth fine gravel substrate to protect the catfish's barbels—sharp gravel can damage these sensitive structures. Provide numerous caves, driftwood tangles, PVC pipe sections, or overturned terracotta pots for daytime refuges. Dim lighting or floating plants creating shaded areas encourage daytime activity and reduce stress. Robust filtration maintaining clean water is essential, though avoid excessively strong currents that may stress the fish. A secure lid is mandatory, as Synodontis species are active swimmers and capable of jumping, particularly when startled or during water changes.
This omnivorous scavenger accepts a wide variety of foods readily. Offer sinking carnivore pellets, quality wafers, frozen or live foods such as bloodworms, brine shrimp, daphnia, and insect larvae. Include some vegetable matter—spirulina wafers, algae tablets—though the diet should emphasize protein. Feed after lights out to align with the species' nocturnal nature, allowing the catfish to feed without competition from diurnal tankmates. Feed once daily in portions consumed within a few minutes. Synodontis are enthusiastic eaters and prone to obesity if overfed—moderate portions and varied diet maintain health and vigor.
Like all Synodontis, S. nigrita is primarily nocturnal, spending daylight hours hidden and emerging after dark to forage. These catfish are semi-aggressive, particularly toward other bottom-dwellers competing for food or territory. Males may squabble among themselves, though serious injury is uncommon. The species is active and inquisitive once comfortable, often visible during feeding time and becoming bolder with time. Synodontis produce audible sounds—squeaking or croaking—particularly when handled or stressed, created by grinding pectoral spine bones. Watching them emerge at dusk, explore the aquarium, and interact with each other provides fascinating insight into nocturnal fish behavior.
Suitable companions include peaceful to semi-peaceful medium-sized community aquarium catfish species. Tetras, barbs, rainbowfish, and similarly sized peaceful fish work well. Other robust African catfish can coexist if the tank is spacious. Avoid very small fish or fry, which may be eaten, and long-finned slow-moving fish vulnerable to nighttime harassment. Highly aggressive territorial cichlids should be excluded, as they may stress or injure the catfish. Tiny shrimp and small invertebrates are at risk and will likely be consumed. Overly timid bottom dwellers may be outcompeted for food—ensure all inhabitants can access food when catfish are active.
Breeding Synodontis nigrita in home aquaria is uncommon and typically requires a large, mature setup with excellent water quality and careful conditioning. Spawning triggers often involve seasonal changes—temperature fluctuations, increased water flow, dietary enrichment—replicating natural rainy season conditions. Little detailed information exists on captive breeding, though related Synodontis species show varied reproductive strategies including egg scattering and possible mouthbrooding. Success requires patience, dedicated breeding tanks, and careful observation. Most specimens in the hobby are wild-caught or farm-raised rather than captive-bred by hobbyists.
Handle with extreme care—the sharp pectoral and dorsal spines can inflict painful puncture wounds and may become entangled in nets. Use solid containers or heavy plastic bags for catching rather than standard aquarium nets. Monitor barbels regularly for damage or erosion, which indicates poor substrate choice or water quality issues. Provide adequate territory space to minimize aggression—overcrowding bottom-dwellers increases stress and conflict. Despite their hardy nature, maintain excellent water quality with regular water changes, as catfish are sensitive to accumulated waste and poor conditions. The species' nocturnal nature means you may rarely see it unless feeding time, but patience reveals fascinating behavior.
Tropical Fish Co supplies healthy, well-conditioned african freshwater fish including Synodontis nigrita in various size grades. Our catfish are carefully selected for health and vigor, quarantined thoroughly, and conditioned on varied foods before dispatch. We provide detailed care information covering catfish for community tank compatibility, feeding schedules, and nocturnal behavior management to ensure your success. Our experienced team understands the specific needs of nocturnal aquarium fish and offers expert advice on setup planning and integration. With secure nationwide delivery and a commitment to exceptional customer service, Tropical Fish Co is your trusted source for quality catfish and tropical fish shop uk expertise.
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