Convict Cichlid
Also known as: Amatitlania nigrofasciata
The Convict Cichlid is a hardy, strikingly patterned freshwater fish named for its bold black-and-white vertical stripes resembling a prison uniform. The Convict Cichlid originates from Native to Central America, specifically found in rivers and streams of Guatemala, Honduras, and Costa Rica, often in rocky, fast-flowing waters with moderate vegetation., reaches Adult size: 10-15 cm in captivity, typically lives Average lifespan: 8-10 years in captivity with proper care., and is kept at Ideal temperature range: 24-28°C (75-82°F).. Individual fish vary, so treat this as a general guide rather than a guarantee.
Species at a glance
- Origin
- Native to Central America, specifically found in rivers and streams of Guatemala, Honduras, and Costa Rica, often in rocky, fast-flowing waters with moderate vegetation.
- Adult size
- Adult size: 10-15 cm (4-6 inches) in length, with males typically larger than females.
- Life span
- Average lifespan: 8-10 years in captivity with proper care.
- Temperament
- Aggressive and territorial, especially during breeding; known for strong pair bonding and fierce defense of fry.
- Tank size
- Minimum tank size: 114 liters (30 gallons) for a single pair; larger tanks recommended for community setups or multiple pairs.
- Water temp
- Ideal temperature range: 24-28°C (75-82°F).
- pH range
- Preferred pH range: 6.5-8.0, tolerating slightly alkaline to neutral conditions.
- Diet
- Omnivorous; accepts high-quality flakes, pellets, frozen foods (brine shrimp, bloodworms), and occasional vegetable matter like blanched zucchini or spirulina.
- Other names
- Amatitlania nigrofasciata
About the Convict Cichlid
The Convict Cichlid is a hardy, strikingly patterned freshwater fish named for its bold black-and-white vertical stripes resembling a prison uniform. It is one of the most commonly bred cichlids in the aquarium trade due to its ease of spawning and parental care. Despite its small size, it exhibits intense aggression, particularly when guarding eggs or fry. In the wild, it inhabits clear, oxygen-rich streams with rocky substrates where it forages for invertebrates and algae.
Lifespan and health
With optimal care, Convict Cichlids commonly live 8-10 years, and some individuals have been documented to reach 12 years in exceptionally well-maintained aquariums. Longevity is heavily influenced by diet quality, water stability, and low stress levels; chronic aggression from overcrowding or incompatible tankmates can significantly shorten lifespan. Males often outlive females slightly due to less reproductive strain, though both sexes benefit from a balanced environment. Common health issues include ich (white spot disease) triggered by temperature fluctuations or poor water quality, treatable with gradual heating to 30°C (86°F) and copper-free medications. Fin rot may occur from nipping during fights or bacterial infection, requiring improved hygiene and antibacterial treatments. Hole-in-the-head disease (HLLE) is rare but possible with prolonged poor nutrition or activated carbon overuse; prevent by offering varied diet and using carbon sparingly. Parasitic infections like gill flukes can arise from new fish introductions; quarantine all newcomers for 4-6 weeks and observe for symptoms like flashing or rapid breathing.
Overview
The Convict Cichlid is a hardy, strikingly patterned freshwater fish named for its bold black-and-white vertical stripes resembling a prison uniform. It is one of the most commonly bred cichlids in the aquarium trade due to its ease of spawning and parental care. Despite its small size, it exhibits intense aggression, particularly when guarding eggs or fry. In the wild, it inhabits clear, oxygen-rich streams with rocky substrates where it forages for invertebrates and algae.
Care and tank setup
Tank setup should include a sandy or fine gravel substrate with ample rockwork, caves, and driftwood to provide hiding spots and territorial boundaries; avoid sharp decorations that could injure fish during aggression. A minimum of 114 liters (30 gallons) is required for a breeding pair, but 150+ liters (40+ gallons) is strongly advised if keeping tankmates to reduce conflict. Filtration should be robust, turning over the tank volume 4-6 times per hour, with moderate water flow to mimic natural stream conditions. Water parameters must be stable: maintain temperature between 24-28°C (75-82°F), pH 6.5-8.0, and hardness between 5-15 dGH. Perform weekly 25% water changes to control nitrates, which should remain below 20 ppm. Use a reliable test kit to monitor ammonia and nitrite, keeping both at 0 ppm. Lighting can be moderate; excessive brightness may stress the fish, so floating plants or dimmed LEDs are beneficial. Feed a varied diet 2-3 times daily in small portions they can consume within 2-3 minutes; overfeeding leads to poor water quality and obesity. Offer high-protein foods like frozen brine shrimp or bloodworms 3-4 times weekly, supplemented with spirulina-based pellets or blanched vegetables 2-3 times weekly. Avoid fatty foods like tubifex worms as a staple. Remove uneaten food after 5 minutes to prevent decay.
Related breeds
Breed information on this page is based on the Wikipedia article on the Convict Cichlid, supplemented with additional research. Reviewed for accuracy.