Demasoni Cichlid Care Guide

Pseudotropheus demasoni · Freshwater Fish

Demasoni Cichlid
AI-generated illustration of Demasoni Cichlid
Temperature
75-82°F
pH
7.5-8.5
Adult size
~3″ (7.6 cm)
Suggested tank
55+ gal
Origin
Malawi
Family
Cichlidae

What Demasoni Cichlid look like

The Demasoni Cichlid (Pseudotropheus demasoni) exhibits a strikingly intense coloration, characterized by alternating vivid dark blue and black vertical bars that cover its laterally compressed body. This small mbuna cichlid typically reaches a maximum adult size of approximately 2.5 to 3 inches (6.4 to 7.6 cm), making it one of the smaller representatives of its genus. Notably, both males and females display identical coloration, a rare trait among mbuna cichlids, which often exhibit pronounced sexual dimorphism. The species possesses a robust, fusiform body shape that is well-adapted for its rocky habitat in Lake Malawi. Defensive adaptations include a set of sharp, conical teeth suited for grazing on algae, as well as a well-developed lateral line system that aids in detecting movement in the water. The dorsal fin is elongated and pointed, contributing to its streamlined appearance, while the caudal fin is moderately forked, facilitating agile swimming in its natural environment.

Behavior & temperament

Demasoni Cichlids are known for their highly social and territorial behavior, often forming small groups within their rocky habitats. They are primarily benthic dwellers, frequently found in the lower strata of the water column, where they establish territories among the crevices and rocks. This species is not an obligate schooler but tends to exhibit a loose social structure, with dominant individuals asserting their authority over smaller or less aggressive conspecifics. Breeding behavior involves egg scattering, where females lay eggs in hidden locations among the rocks, and males display courtship rituals to attract mates. Their temperament can be described as moderately aggressive, particularly during breeding periods, and they may exhibit territorial disputes with other cichlids.

Diet & feeding

In the wild, Demasoni Cichlids are omnivorous, primarily grazing on algae and small invertebrates found on rocky substrates. In captivity, they require a varied diet that includes high-quality spirulina-based flakes, pellets, and occasional protein sources such as brine shrimp or bloodworms to ensure optimal health and coloration.

Behind the name

Pseudotropheus (false turn; referring to the genus' resemblance to Tropheus); demasoni (named in honor of the collector who first described the species).

Plan your tank

Check the numbers before you buy: tank volume, a stocking plan, cycle progress, water changes, and your ongoing care routine.

Keeping Demasoni Cichlid?

AquaLens identifies your fish and plants from a photo, tracks water chemistry, and flags health issues early — free on iOS and Android.

Get AquaLens Free