Flag Cichlid
Cichlidae sp.
Flag Cichlid (Cichlidae sp.) — Advanced care, Aggressive, under Cichlid. Minimum tank in the app: 37 US gal min; aim for 75–82°F and pH 6.5–8.5. The Flag Cichlid is ideal for experienced aquarists seeking a vibrant yet challenging addition to their aquarium.

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.
Flag Cichlid Tank Setup
A successful setup should prioritize both open swimming space and sufficient cover, utilizing rocks and driftwood to create territories. Ensure varied substrate for digging and keep lighting moderate to encourage comfort. Flow should be gentle to avoid stress, while layout should allow for escape routes and visual barriers.
What Do Flag Cichlids Eat?
Feeding can be competitive; offering a varied diet with both pellets and live foods can promote health and enhance coloration. Be mindful of aggressive behaviors during feeding times, as dominant individuals may monopolize food sources.
Flag Cichlid Tank Mates
Ideal tank mates include robust species that can hold their own, such as larger barbs or other cichlids of similar size and temperament. Avoid long-finned or slow-moving fish, as they are at risk of fin-nipping. Intraspecies interactions can be aggressive, so providing multiple territories can help reduce conflict.
Are Flag 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 Flag Cichlid's aggression and may introduce incompatible species or overcrowd the tank. Lack of hiding spaces can exacerbate stress and territorial disputes, leading to injuries and increased mortality rates.
Building a community? Run the full list through the stocking calculator before you add anything else.
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