The Tropheus moorii is often territorial and may be intolerant of members of its own species. However, it seldom harasses its tankmates. It is best to keep this species in groups, with only one male to several females. Several males may coexist peacefully until a female is introduced and then chaos is the order of the day. There are numerous geographical color forms available.
Because this is a specialized algae eater, the tank should contain plenty of rockwork (i.e., large stones securely stacked in the center back of the aquarium) to provide plenty of hiding places, as well as areas for algae to colonize. Strong lighting to encourage algae growth is also recommended. Leave plenty of open space in the center for swimming.
This fish is a specialized algae eater that must be fed a suitable vegetarian diet. It does quite well on a diet of Spirulina-based prepared foods supplemented with fresh, parboiled vegetables, such as romaine lettuce, thinly sliced zucchini and canned peas. Small amounts of bloodworms, brine shrimp and glass worms can be fed on occasion.
This species is a maternal mouthbrooder that produces relatively small spawns. One male to several females is best for ensuring spawning, as well as for protecting the females from the aggression of the male. Keeping a pair might work, but may eventually lead to the death of the female.