Convict Cichlid
Amatitlania nigrofasciata
Convict Cichlid (Amatitlania nigrofasciata) — Advanced care, Aggressive, under Cichlid. Minimum tank in the app: 25 US gal min; aim for 75–82°F and pH 6.5–8.5. The Convict Cichlid appeals to those who appreciate dynamic personalities and territorial displays, making it a captivating centerpiece for intermediate aquarists.

Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Africa / South America (varies)
- Africa
- South America
Regional colours match the stocking calculator’s origin map.
Convict Cichlid Tank Setup
Create a balanced environment with ample hiding spots, such as caves and dense plants, to diffuse aggression and provide security. Use a sandy or smooth substrate to allow for digging and exploration, and moderate lighting to mimic their natural habitats. A larger footprint with defined territories will help manage their territorial nature while allowing for swimming space in the mid and lower levels.
What Do Convict Cichlids Eat?
Convict Cichlids are opportunistic feeders with a preference for faster meals. They can compete aggressively for food, so providing a varied diet of high-quality pellets, live, and frozen foods is essential for their health and coloration.
Convict Cichlid Tank Mates
Ideal tank mates are similarly sized, robust species that can hold their own, such as larger tetras or other cichlids. Avoid long-finned or slow-moving fish, as Convicts may exhibit fin-nipping behavior. When keeping multiple Convicts, ensure enough space and hiding spots to minimize conflict over territory, as they can be aggressive towards their own kind if not given ample room.
Are Convict Cichlids Good for Beginners?
This sits in the advanced range in the app. Strong filtration, stable chemistry, and reading up before purchase matter more than a catchy shop name. Aquarists often underestimate the potential aggression and territoriality of Convict Cichlids, leading to inappropriate tank mates or overcrowding, which can result in stress and injury. Failing to create adequate hiding spaces can exacerbate their aggression, while neglecting water quality can lead to health issues.
Building a community? Run the full list through the stocking calculator before you add anything else.
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