Description
The Chocolate Cichlid is a large and peaceful species of American cichlid, native to the slow-moving blackwater rivers and floodplain lakes of the Amazon Basin. Known for its calm temperament and striking colouration—ranging from earthy browns to iridescent greens and reds—this species is a popular choice among hobbyists looking for a large but relatively non-aggressive cichlid. It thrives in well-maintained, spacious aquaria and develops deep colours with age, especially during spawning.
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Features of a Chocolate Cichlid
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Grows up to 30 cm in length
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Distinct chocolate to bronze body with reddish or green sheen
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Rounded, laterally compressed body shape
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Peaceful nature compared to many other large cichlids
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Lifespan of 8–10 years with proper care
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Sexual dimorphism is subtle; males may grow slightly larger and have more pointed dorsal fins
The Best Aquarium Size for Chocolate Cichlid
A minimum tank size of 300 litres is essential for a single adult Chocolate Cichlid. Pairs or community setups require 450 litres or more to ensure swimming space and reduce territorial stress. Juveniles can be raised in smaller tanks but must be upgraded as they grow.
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Tank Mate Compatibility for Chocolate Cichlid
Due to their gentle disposition, Chocolate Cichlids can be housed with other peaceful to semi-aggressive South American species of similar size. Suitable tank mates include:
Avoid small fish or overly aggressive tank mates such as large Central American cichlids.
Diet for Chocolate Cichlid
Chocolate Cichlids are omnivorous with a preference for protein-rich foods. Offer a varied diet consisting of:
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High-quality cichlid pellets
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Frozen or live foods such as bloodworms, brine shrimp, and earthworms
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Occasional blanched vegetables (e.g. spinach, peas)
Feed 1–2 times daily in moderate quantities.
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Aquarium Setup for Chocolate Cichlid
Aquarium Filtration
A powerful canister or sump filter is essential to manage bioload. Use bio-media and ensure strong mechanical filtration to maintain water clarity.
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Aquarium Plants
Choose hardy species like Java Fern or Anubias attached to driftwood. Rooted plants may be uprooted due to their size and substrate digging behaviour.
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Aquarium Lighting
Moderate lighting enhances colouration without stressing the fish. Dim, natural-style lighting best replicates their native habitat.
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Aquarium Heating
Maintain stable temperatures between 25–28°C with a reliable heater.
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Aquarium Substrate
Use fine sand or smooth gravel that allows natural foraging. Avoid sharp materials.
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Aquarium Decorations
Incorporate driftwood, caves, and smooth stones to create territories and reduce stress. Open swimming areas are essential for adult specimens.
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