Chocolate Cichlid Care Guide - Aquarium Setup, Diet & Breeding

The Chocolate Cichlid is a large, deep-bodied South American cichlid named for its rich brown to chocolate colouring. Adults may show subtle olive, golden, or reddish tones, and the body can become especially dark when the fish is excited, stressed, or guarding a spawning site. The fins are often edged with blue, red, or orange highlights, adding colour to an otherwise earthy appearance.

Despite their size, Chocolate Cichlids are generally more composed and less relentlessly aggressive than many similarly large cichlids. They are intelligent, observant fish that quickly learn to recognise activity outside the aquarium and may interact with their keeper at feeding time. Pairs become particularly territorial when breeding, but the species is not normally a frantic open-water swimmer.

In the wild, Hypselecara temporalis inhabits warm, slow-flowing waters associated with dense rainforest. Seasonal changes can cause rivers and floodplain habitats to rise into surrounding vegetation, creating a maze of submerged roots, branches, leaf litter, and shaded spaces. The dark, tannin-stained water and heavy cover suit the species' subdued natural colour palette.

Chocolate Cichlids are sometimes confused with the similarly named Hypselecara coryphaenoides, but H. temporalis is the species most commonly encountered in the aquarium trade under the common name Chocolate Cichlid. They are impressive long-term residents for experienced fishkeepers with the space to accommodate a genuinely large cichlid.

Chocolate Cichlids come from slow-moving rivers, tributaries, floodplain lakes, and forest streams in the western and central Amazon Basin of South America. Their range includes parts of Peru, Colombia, Brazil, and Bolivia.

A single adult requires at least 450 litres, while a compatible adult pair is better housed in 600 litres or more. Aim for a tank around 150 cm long and 60 cm front to back as a practical minimum, with a larger footprint preferred for a pair or community. Use a broad area of fine sand or smooth gravel, sturdy driftwood, rounded rocks, and robust plants attached to wood or placed in protected areas. Leave generous open swimming space, provide visual barriers, and secure all decor because large cichlids may dig or rearrange their surroundings.

Chocolate Cichlids can reach about 30 cm (12 in) in total length. Males are often slightly larger and more robust than females, although individual size depends on diet, genetics, and growing conditions.

Chocolate Cichlids are omnivores with a strong preference for meaty foods. Offer a varied diet of quality large cichlid pellets, sinking carnivore foods, prawns, mussel, earthworms, insects, and occasional frozen foods such as bloodworm or krill. Some vegetable matter, including spirulina-based foods or softened vegetables, can also be included. Avoid relying on mammalian meats, which are poorly suited to their digestive system and can contribute to health problems.

Chocolate Cichlids can share a spacious aquarium with other robust, peaceful South American fish such as large peaceful geophagus, severums, festivum cichlids, large peaceful catfish, silver dollars, and appropriately sized plecos. Tankmates should be too large to swallow and calm enough not to harass them. Avoid tiny tetras, shrimp, fin-nipping species, highly aggressive cichlids, and overcrowding. A bonded pair may become strongly territorial during spawning, so other fish need ample room to retreat.

Chocolate Cichlids are substrate spawners that usually form a bonded pair. The female lays several hundred eggs on a smooth rock, piece of slate, or another firm surface, and both parents defend and care for the clutch. The eggs generally hatch within three to four days, with the fry becoming free-swimming a few days later. Feed the young newly hatched brine shrimp and other suitably tiny foods, while protecting them from powerful filtration and potential tankmates.

Sexual differences are subtle outside the breeding period. Mature males are usually larger, with a broader head and more extended dorsal and anal fins, while females tend to be slightly smaller and rounder-bodied, especially when carrying eggs.