Pearl Cichlid Care Guide

Geophagus brasiliensis · Freshwater Fish

Pearl Cichlid
AI-generated illustration of Pearl Cichlid
Temperature
68-82°F
pH
6.0-8.0
Adult size
~8″ (20.3 cm)
Suggested tank
40+ gal
Origin
Brazil
Family
Cichlidae

What Pearl Cichlid look like

The Pearl Cichlid (Geophagus brasiliensis) exhibits a robust, laterally compressed body that can reach a maximum adult size of approximately 10 inches, although individuals can vary between 6 to 10 inches in length. This species is characterized by its striking iridescent spangling, with scales displaying a pearly-blue to green sheen that creates a jewel-like appearance. A prominent dark spot is located centrally on the body, which becomes more pronounced during breeding, when the overall coloration intensifies to a deeper blue-green iridescence. Sexual dimorphism is evident, with males typically exhibiting larger dorsal and anal fins, as well as more vibrant coloration compared to females. Defensive adaptations include a strong, laterally compressed body that allows for quick maneuverability in the water, and the presence of a well-developed lateral line system that aids in detecting vibrations in the aquatic environment. The Pearl Cichlid also possesses a moderately sized mouth with robust dentition, suitable for its omnivorous diet, and features an adipose fin that contributes to its streamlined shape.

Behavior & temperament

Geophagus brasiliensis is primarily a benthic dweller, often found foraging in the substrate for food. This species exhibits a social hierarchy and is known to form loose aggregations, though it is not an obligate schooler. During breeding, pairs engage in elaborate courtship displays and exhibit territorial behavior, particularly when guarding their eggs, which are typically laid in pits dug into the substrate. The Pearl Cichlid is generally considered to have a moderate temperament, displaying mild aggression, especially during breeding periods or when establishing territory. Outside of these times, they can coexist peacefully with other species in a community tank setting.

Diet & feeding

In the wild, the Pearl Cichlid is an omnivore, feeding on a varied diet that includes detritus, small invertebrates, and plant matter. In captivity, it requires a balanced diet consisting of high-quality pellets, flakes, and occasional live or frozen foods such as brine shrimp or bloodworms to maintain optimal health.

Behind the name

Geophagus (earth eater); brasiliensis (of Brazil).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Pearl Cichlid?

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