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

Pimelodus albofasciatus
A striking South American predatory catfish that needs a spacious, secure aquarium and meaty foods. Moderate care, semi-aggressive. 22-25C, pH 6.0-7.5.
Maintain these water conditions for optimal health and vibrant colors
The freshwater fish for sale UK market offers few species as visually striking as Pimelodus albofasciatus, a South American predatory catfish that brings bold presence and dynamic behaviour to spacious, secure aquariums. This rare pimelodid catfish displays attractive patterning and reaches a manageable adult size of around 10cm, making it suitable for experienced aquarists with appropriately sized tanks. Available for sale UK hobbyists seeking unusual, characterful catfish will find Pimelodus albofasciatus a rewarding species, though its semi-aggressive temperament and predatory nature require careful tankmate selection and thoughtful aquarium design. At 10-12cm, these specimens are approaching adult size and ready to establish themselves in a suitable community.
Pimelodus albofasciatus displays a sleek, elongated body typical of pimelodid catfish, with smooth, scaleless skin and long, sensitive barbels extending from the mouth. The colouration features a silvery-grey to olive-brown base with distinctive banding or patterning that gives the species its name. The fins are proportionally large and often show subtle pigmentation. The eyes are prominent and positioned laterally, adapted for low-light hunting. At 10-12cm, these specimens are nearing full adult size and display well-developed finnage and body proportions. The overall appearance is streamlined and predatory, with a powerful tail adapted for swift bursts of speed.
Native to freshwater river systems throughout South America, Pimelodus albofasciatus inhabits slow to moderate-flow rivers, tributaries, and floodplains with soft substrates and abundant submerged wood. These environments feature warm, slightly acidic to neutral water with moderate to low oxygenation and complex habitats providing numerous hiding places. In the wild, pimelodid catfish are nocturnal predators that hunt small fish, invertebrates, and organic matter under cover of darkness. They are adapted to navigate murky waters using their highly sensitive barbels to detect prey and obstacles. Recreating these conditions with subdued lighting, hiding places, and stable water chemistry supports natural behaviour.
Provide a minimum of 200 litres with ample floor space and efficient filtration to maintain excellent water quality. Use a soft, fine substrate such as sand to protect the delicate barbels and ventral surfaces. Furnish the aquarium with driftwood, smooth rocks, caves, and PVC tubes to create hiding places and visual security. Subdued lighting or floating plants help replicate natural low-light conditions and reduce stress. Maintain moderate water flow, avoiding strong currents that may stress this relatively slow-swimming species. Perform regular partial water changes to maintain pristine conditions. Ensure a secure, tight-fitting lid, as pimelodid catfish are capable jumpers, especially when startled or during acclimation.
Pimelodus albofasciatus is a carnivorous predator that requires a varied meaty diet. Offer high-quality sinking carnivore pellets as the staple, supplemented with frozen or live foods such as bloodworms, mysis, chopped earthworms, shrimp, and other protein-rich foods. Feed in the evening or after lights out, as this species is nocturnal and most active at night. Remove uneaten food after a few hours to maintain water quality. Avoid overfeeding, as catfish can become obese in captivity. A balanced, protein-rich diet supports healthy growth, vibrant condition, and active behaviour. Ensure all tankmates can access food, as this species may dominate feeding areas.
Pimelodus albofasciatus is semi-aggressive and primarily nocturnal, spending daylight hours hidden among décor or in caves. As light levels drop, the catfish becomes active, exploring the aquarium and hunting for food. This species is territorial and may display aggression towards similarly sized or shaped fish, especially other bottom dwellers. It is a predator and will consume any tankmate small enough to fit in its mouth. During feeding, it can be competitive and may outcompete more timid species. Provide plenty of hiding places to reduce stress and territorial behaviour. Despite its predatory nature, it is generally peaceful towards appropriately sized tankmates.
Compatible with medium to large peaceful fish that cannot be swallowed, such as large characins, silver dollars, large barbs, robust tetras, and large armoured catfish such as plecos or larger corydoras. Other similarly sized, non-aggressive community fish may coexist if the aquarium is spacious and well-structured. Avoid small fish, shrimp, dwarf cichlids, slow-moving long-finned fish such as bettas or angelfish, and any tankmate small enough to be eaten. Choose tankmates that occupy different areas of the aquarium and are robust enough to tolerate the active, sometimes boisterous behaviour of predatory catfish. Careful observation is essential.
Breeding is not commonly reported in home aquaria. Like many pimelodid catfish, reproduction likely requires very large space, seasonal environmental conditioning, and specific water and environmental cues such as temperature fluctuations and water level changes that simulate natural flooding cycles. There is limited reliable information available on successful home breeding, and most aquarists keep Pimelodus albofasciatus for display rather than reproduction. Dedicated enthusiasts with appropriate facilities, extensive experience, and thorough research may achieve success, though this remains uncommon in the hobby.
Nocturnal and predatory; house only with tankmates too large to swallow. Provide a secure lid to prevent jumping, especially during acclimation or disturbances. Use a soft substrate to protect the sensitive barbels, which are essential for sensory navigation and feeding. Maintain excellent water quality with regular partial water changes and efficient filtration. Avoid sharp décor or rough gravel that can damage the delicate barbels or skin. This species is best suited to experienced aquarists with spacious aquariums and the ability to provide appropriate tankmates and careful husbandry. Dim lighting or subdued natural light is strongly recommended.
Tropical Fish Co is a leading UK supplier of healthy, rare catfish including Pimelodus albofasciatus. Each fish is carefully selected for robust health, active behaviour, and excellent condition. Our livestock is quarantined and health-checked before dispatch, ensuring you receive only the finest specimens. We provide expert care advice, detailed species information, and ongoing support to help you succeed with specialist fish. With fast, secure delivery across the UK and a commitment to sustainable, responsible fishkeeping practices, Tropical Fish Co is your trusted partner for premium tropical fish and aquatic livestock.
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