Keyhole Cichlid
Cichlidae sp.
Keyhole Cichlid (Cichlidae sp.) — Advanced care, Aggressive, under Cichlid. Minimum tank in the app: 25 US gal min; aim for 70–82°F and pH 6.5–8.5. The Keyhole Cichlid appeals to aquarists who appreciate dynamic personalities and complex interactions.

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.
Keyhole Cichlid Tank Setup
To accommodate Keyhole Cichlids, ensure a balance of open swimming space and ample hiding spots using rock formations or driftwood. A fine substrate allows for natural digging behaviour, while subdued lighting can help them feel secure. Consider providing areas of varying flow, as these fish can thrive in environments where they can choose their preferred water movement.
What Do Keyhole Cichlids Eat?
Keyhole Cichlids are opportunistic feeders, displaying varying feeding speeds depending on their environment and competition levels. They thrive on a varied diet, but should be monitored for aggressive feeding behaviours, which can lead to stress among slower or more timid feeders in the tank.
Keyhole Cichlid Tank Mates
Ideal companions are similarly sized, robust fish that can hold their own against occasional aggression, such as larger tetras or peaceful cichlids. Avoid long-finned species or slow-moving tankmates, as they are susceptible to fin nipping. Intraspecies interactions can be challenging; providing sufficient space and territory can mitigate conflicts, but watch for dominant individuals.
Are Keyhole 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. Many aquarists underestimate the Keyhole Cichlid’s territorial nature and fail to provide adequate cover, leading to increased aggression and stress. mixing them with inappropriate tankmates can result in injury or death.
Building a community? Run the full list through the stocking calculator before you add anything else.
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