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

Cichlasoma festae
A striking, powerful South American cichlid that develops intense red coloration and demands a large, species-focused setup. Difficult care, aggressive. 24-28C, pH 6.5-7.5.
Maintain these water conditions for optimal health and vibrant colors
The Red Terror, scientifically known as Cichlasoma festae, is a striking, powerful South American cichlid that develops intense red coloration and demands a large, species-focused setup for experienced aquarists. Reaching up to 35cm in length, this species requires a massive tank of at least 600 litres and is best kept alone or with very large, robust tankmates. Available for exotic fish for sale UK, the Red Terror is native to Pacific drainages of western Ecuador and far northwestern Peru and is an excellent choice for dedicated aquarists seeking a large cichlids for sale with dramatic appearance and bold, assertive behaviour.
The Red Terror is a large, robust cichlid with a deep, laterally compressed body and stunning coloration. Adult males develop intense red or orange coloration across the body, with bold vertical bars and iridescent blue-green highlights on the face and gill covers. The fins are large and powerful, and the overall appearance is truly spectacular when the fish is in full breeding dress. Females and juveniles are more subdued but still attractive, displaying grey or tan tones with less pronounced red. As the fish matures, the colours intensify dramatically, making the Red Terror one of the most visually impressive large cichlids available.
Native to Pacific drainages of western Ecuador and far northwestern Peru, the Red Terror inhabits slow-moving rivers, streams, and flooded areas with rocky or sandy substrates and plenty of submerged structures. The water is typically warm, soft to moderately hard, and slightly acidic to neutral, with gentle currents and abundant cover. In the wild, these cichlids are apex predators that feed on smaller fish and invertebrates. Replicating these conditions in the aquarium is essential for the health and well-being of this species.
A minimum tank size of 600 litres is essential for adult Red Terrors, with larger tanks strongly recommended for long-term housing. Use a substrate of sand or fine gravel, and provide minimal decor to allow plenty of open swimming space. Include some large, secure rocks and driftwood for visual interest, but avoid delicate or easily moved items. Use a tight-fitting lid, as these powerful fish may jump. Filtration must be extremely robust to handle the significant bioload, with weekly water changes of 30-50% recommended. Maintain soft to moderately hard, slightly acidic to neutral water and provide excellent oxygenation. Subdued lighting will reduce stress.
Red Terrors are primarily carnivorous, feeding on live and frozen meaty foods. Offer a varied, high-protein diet of quality cichlid pellets, frozen or live foods such as shrimp, krill, earthworms, and insect larvae. Feed 2-3 times per week for adults, and avoid overfeeding. Vegetable matter is not a major part of the diet, though small amounts can be offered. A protein-rich diet will support the fish's impressive size and maintain the stunning red coloration that makes this species so desirable.
The Red Terror is an extremely aggressive, territorial fish that establishes and defends large territories with intense hostility. They are intelligent and may learn to recognise their keeper, but remain aggressive and unpredictable. Males are particularly territorial and will attack most tankmates, conspecifics, and even keepers during tank maintenance. Despite their aggressive nature, they are fascinating to observe and display complex behaviours. This species is not suitable for community tanks and is best kept alone or with extreme caution.
The Red Terror is best kept alone or with very large, robust tankmates only in exceptionally large tanks. Large armored catfish may be possible in very large setups, but risk remains high. Avoid small fish, slow-moving fish, long-finned fish, shrimp and other invertebrates, and most community fish. The key to success is understanding that this is a species-focused fish that requires dedicated housing and careful management.
Red Terrors form pairs and become highly territorial when spawning. The female lays several hundred eggs on flat rocks or hard surfaces, and both parents guard the eggs and fry aggressively. Provide a very large tank, flat rocks or similar spawning surfaces, and be prepared to separate tankmates because parents may attack anything in sight. Once the fry are free-swimming, they can be raised on newly hatched brine shrimp. Breeding Red Terrors is extremely challenging and requires a massive dedicated breeding tank.
Tropical Fish Co is a leading supplier of South American cichlids for sale, offering healthy, well-conditioned Red Terrors sourced from reputable suppliers and quarantined for quality assurance. We provide expert guidance on red terror cichlid care, long-term planning, tank setup, and species-appropriate management. With secure packaging, reliable large cichlids for sale delivery, and a commitment to customer satisfaction, Tropical Fish Co makes it easy to buy exotic fish for sale UK with confidence. This species is only suitable for experienced aquarists with the space and resources to provide proper long-term care.
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