Labidochromis chisumulae grows to about 8 centimeters in length in the wild, the females remain slightly smaller. In the aquarium, they get more and more powerful food so that they can grow a little longer. Males are pearly white with dark, navy blue markings on the top part of the body extending from the head halfway through the dorsal fin. Depending on mood, males may exhibit a pronounced blue sheen throughout the body, especially when breeding. Females are a pearly white to tan-white, with faint stripes on the flanks.