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Rusty Cichlid
Iodotropheus sprengerae
📍 Africa - Lake Malawi
The Rusty Cichlid is a small, peaceful African cichlid endemic to Lake Malawi, known for its rusty-brown coloration and algae-eating behavior. This hardy fish is an excellent choice for community tanks and planted aquariums, as it grazes on algae without harming plants. It's a popular species among aquarists seeking a low-maintenance, colorful addition to their setup.
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Care Guide
Diet
Rusty Cichlids are primarily herbivorous algae grazers that spend most of their time foraging on algae-covered surfaces. Supplement their natural grazing with high-quality spirulina flakes, algae wafers, and blanched vegetables like zucchini and spinach 2-3 times weekly. Feed small portions once daily, ensuring they have adequate algae growth in the tank.
Behavior
Rusty Cichlids are peaceful, bottom-dwelling fish that spend most of their time grazing on algae and detritus. They are generally non-aggressive toward other fish and can be kept singly or in small groups. These fish are most active during dawn and dusk, and they appreciate plenty of algae-covered surfaces and hiding spots.
Breeding
Breeding Rusty Cichlids in captivity is moderately difficult and requires stable water conditions with slightly elevated pH and temperature. They are substrate spawners that lay eggs in caves or crevices; provide PVC pipes or rock formations as spawning sites. Parents may guard fry, but removing them to a separate rearing tank increases survival rates.
Tank Mates
Small, peaceful schooling fish that occupy different water zones
Similar algae-eating habits and peaceful temperament
Bottom dweller that doesn't compete for food or territory
Peaceful mid-water dweller with minimal interaction
Schooling fish that remains in middle water column
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, rapid breathing, rubbing against surfaces
Raise temperature to 28-30°C (82-86°F), perform daily water changes, use aquarium salt or ich medication; treat for 7-10 days
Fin Rot
Frayed or deteriorating fins, discoloration at fin edges, lethargy
Improve water quality with frequent water changes, remove any sharp decorations, use antibiotic medication if severe
Bloat (Malawi Bloat)
Swollen abdomen, loss of appetite, difficulty swimming, pale coloration
Perform large water changes, feed high-quality herbivore diet, reduce protein intake, use antibiotics if bacterial infection suspected
Hole-in-the-Head Disease
Pits or holes in head region, loss of appetite, behavioral changes
Improve water quality, increase water change frequency, supplement with vitamin-enriched foods, use metronidazole if parasitic
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Quick Facts
- diet
- Herbivore - primarily algae grazer, supplemented with spirulina flakes and blanched vegetables
- lifespan
- 4-6 years
- max size
- 9 cm (3.5 in)
- tank size
- 20 gallons minimum
- temperament
- peaceful
Water it likes
- ph
- 7.5-8.5
- ammonia
- 0 ppm
- nitrate
- <20 ppm
- hardness
- 10-15 dGH
- temperature
- 75–82°F (24–28°C)