Polystigma Cichlid Nimbochromis polystigma The Polystigma Cichlid is a large Lake Malawi hap with bold spotting, a predatory build, and a strong adult presence. It is best kept by hobbyists with larger aquariums and compatible Malawi haps that can handle its size and energy. Origin and Habitat Native Region: Lake Malawi-wide distribution. Natural Habitat: Shallow vegetated habitats and the intermediate zone. Physical Characteristics Size: 8-11 inches. Coloration: Sexually dimorphic; adults show spotted patterning, with males developing stronger display color. Body Shape: Large, sturdy hap body with an active predatory profile. Behavior and Temperament Temperament: Mildly aggressive, with predatory behavior toward smaller fish. Social Behavior: Best kept with similar-sized haps in a spacious aquarium with stable stocking and room to move. Aquarium Care Tank Size: A 125 gallon aquarium or larger is recommended for adults. Water Parameters: 74-84°F, pH 7.4-8.4, hard water. Tank Setup: Provide open swimming room, sand, sturdy rockwork, and strong filtration. Keep the setup spacious enough for large adult haps. Diet and Feeding Primary Staple: Feed a quality daily diet such as Ron’s Peacock & Hap Adult Food. Juveniles: Growing fish can be fed Ron’s Juvenile Food. Fry: Newly released fry should be started on Ron’s Fry Food. Feeding Frequency: Feed 1–2 small meals daily and avoid overfeeding. Breeding Breeding Type: Maternal mouthbrooder. Breeding Notes: Males display to females and may defend breeding areas. Females hold eggs and fry in the mouth, and fry should be separated or well protected after release. Tank Mates Compatible With: Large Lake Malawi haps and robust cichlids with similar water needs. Avoid: Small fish, timid species, and tank mates that cannot compete safely with large haps.