The amount of color males have when you receive them WILL vary, even on bigger males. It is common for males to color down after shipping from stress and being put in a new tank, but they will color back up when they are comfortable in their new tank.
Scientific Name: Fossorochromis Rostratus
Common Name(s): Malawi Sand Diver
Geo. Origin: Lake Malawi-wide distribution
Habitat: Open sand, shallow water
Diet: Omnivore
Breeding: Maternal Mouthbrooder
Temperament: More Peaceful
Conspecific Temperament: Mildly Aggressive
Maximum Size: 11-16"
Temperature: 74 - 84°F
pH: 7.4 - 8.4
Water Hardness: Hard
Family: Hap