The Megasema Geophagus is a medium to large South American cichlid prized for its graceful swimming, subtle iridescent colors, and fascinating “eartheater” behavior. Like other Geophagus species, it sifts through substrate to find food, making it both interactive and visually engaging in the aquarium. Its peaceful demeanor (for a cichlid) allows it to coexist with compatible tankmates, and it’s a striking centerpiece for community tanks.
This species is moderate in care, requiring stable water parameters, soft substrate, and plenty of space to swim and forage.
Care Requirements:
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Tank Size: 75 gallons minimum
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Temperature: 24–28 °C
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pH: 6.0–7.5
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Water Hardness: Soft to moderately hard
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Temperament: Peaceful to semi-aggressive, social
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Diet: Omnivore — high-quality cichlid pellets, sinking wafers, frozen or live foods, and occasional blanched vegetables
Behavior & Compatibility:
Megasema Geophagus are bottom-dwelling and social, best kept in small groups or pairs to reduce stress and encourage natural behavior. They coexist well with:
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Other peaceful medium to large cichlids
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Corydoras and other bottom dwellers
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Medium-sized tetras and barbs
Avoid aggressive cichlids or tiny fish that may be harassed during foraging.
Tank Setup:
A planted aquarium with soft sand substrate, driftwood, rocks, and caves provides ideal conditions for natural sifting and grazing behavior. Ample open swimming areas, gentle filtration, and stable water parameters promote health, vivid coloration, and active behavior.
A peaceful, substrate-sifting cichlid with graceful movement and subtle coloration—perfect as a centerpiece for larger community or South American cichlid tanks.
