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Red Hump Eartheater
Geophagus steindachneri
Animalia›Chordata›Actinopterygii
📍 South America
A South American cichlid from Colombia and Venezuela, named for the prominent nuchal hump that develops on mature males, which display reddish-pink to orange coloration particularly on the head and flank. It is a mouthbrooder that sifts substrate for food, requiring a deep sand bottom in a tank of 55+ gallons; it is generally peaceful with large, similarly-sized tankmates.
Care Guide
Diet
Red Hump Eartheaters are omnivorous bottom feeders that sift substrate for small organisms, insects, and plant matter. Feed high-quality sinking pellets, frozen bloodworms, and brine shrimp once daily in small portions. Supplement with vegetable matter like blanched spinach or algae wafers to support their natural foraging behavior.
Behavior
These peaceful cichlids are primarily bottom-dwellers that spend much of their time sifting through sand searching for food, which helps aerate the substrate. Males develop a prominent nuchal hump and display reddish coloration, especially when establishing territory or during breeding. They are social within their species and should be kept in groups of at least 4 to reduce aggression and stress.
Breeding
Breeding in captivity is moderately difficult and requires stable water conditions, mature males with well-developed humps, and plenty of hiding spaces. They are mouthbrooders; females incubate eggs in their mouths for 2-3 weeks before releasing fry. Provide fine sand substrate and minimal disturbance during breeding to increase success rates.
Tank Mates
Mid-water schooling fish that won't compete for bottom space or food
Peaceful schooling fish with similar water parameter requirements
Nocturnal bottom-dweller that occupies different ecological niche; algae grazer
Similar size and peaceful nature, but may compete for bottom space; monitor for aggression
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, rapid breathing, rubbing against substrate
Raise temperature to 28-30°C, perform 25% water changes, use ich medication; maintain excellent water quality
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent partial changes, reduce stocking density, use antibacterial medication if severe
Bloat (Malawi Bloat)
Swollen abdomen, loss of appetite, difficulty swimming, pale coloration
Feed quality pellets and varied diet, avoid overfeeding, perform water changes; use Epsom salt baths as supportive care
Bacterial Infection
Open sores, torn fins, cloudy eyes, lethargy, loss of appetite
Improve water conditions, isolate affected fish, use broad-spectrum antibiotic medication if necessary
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Water it likes
- ph
- 6.0–7.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- temperature
- 75–82°F (24–28°C)