Description
The Gold Dust Eartheater (Geophagus sp. ‘Gold Dust’) is a striking American Cichlid native to the river systems of South America, particularly within the Amazon Basin. Known for their peaceful temperament and unique feeding behavior—sifting substrate through their gills in search of food—these cichlids are ideal for well-maintained community aquariums. Their golden-bronze shimmer, accented with red and blue hues, enhances the visual appeal of any South American biotope.
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Features of a Gold Dust Eartheater
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Distinct golden-bronze body with iridescent red and blue highlights
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Elongated, laterally compressed body shape
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Reaches adult lengths of 20–25 cm
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Peaceful, bottom-dwelling behavior
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Notably engages in “earth-eating” substrate sifting
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Displays social schooling behavior when kept in groups
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Lifespan of 8–10 years with optimal care
The Best Aquarium Size for Gold Dust Eartheater
A minimum of 300 litres is required for a small group of 4–6 individuals. These fish are active foragers and require both swimming space and open substrate areas. Larger tanks exceeding 450 litres are preferred for stable social dynamics and optimal growth.
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Tank Mate Compatibility for Gold Dust Eartheater
Gold Dust Eartheaters are peaceful and compatible with similarly tempered South American species. Ideal tank mates include:
Avoid aggressive cichlids or very small fish that may be harassed or mistaken for food.
Diet for Gold Dust Eartheater
This species is omnivorous with a strong preference for protein-rich foods. Offer:
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Sinking cichlid pellets
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Frozen bloodworms, brine shrimp, and daphnia
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Occasional live blackworms or earthworms
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Blanched vegetables like spinach or zucchini for dietary balance
Feed twice daily in moderate portions to support natural foraging behaviour.
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Aquarium Setup for Gold Dust Eartheater
Aquarium Filtration
Use a powerful external canister or sump filter with high biological capacity. These cichlids are sensitive to ammonia and nitrate build-up.
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Aquarium Plants
Hardy, rooted plants such as Amazon swords and Java fern can be used, though substrate disturbance may uproot delicate species.
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Aquarium Lighting
Moderate lighting is sufficient to enhance their iridescence without stressing the fish.
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Aquarium Heating
Maintain water temperature between 25–28°C with a reliable heater and thermostat.
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Aquarium Substrate
Use soft, fine sand to support natural sifting behavior and protect gill structures.
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Aquarium Decorations
Incorporate smooth river rocks, driftwood, and open sandy areas. Avoid sharp décor that could injure while foraging.
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