The Altolamprologus calvus is one of the most astonishing tropical fish that lives in LakeTanganica. A number of color variants of Altolamprologus Calvus are available in the hobby; the most common is the black calvus. Other Varieties include white, orange and even yellow .It also known by its common name Pearly Calvus. The pearly calvus is a cichlid, with no doubt when we say the word cichlids we talk about a huge and unique group of amazing fish. Cichlids come in all sizes, ranging from a length of 3 cm for dwarf cichlids and the Shelldwellers from Lake Tanganyika to 80 cm in the case of Microlepis from Lake Tanganyika. Some of them are schooling species and loners, herbivores and omnivores, cichlids have varied colors, green gray and colorful peacocks. They also come in many shapes and forms. Some have electrical generating abilities while some have poisonous spines. Cichlids primarily inhabit freshwater but some species enter brackishwater. Throughout their rage, cichlids have adapted to highly divers conditions. Most of the cichlids came from Africa and America but can also be found in other places

Male calvus can reach up to 15 cm while females are usually smaller (about 10 cm). The calvus is a carnivore, one of the most talented predator fish in the lake, the calvus specialized predator feeding on eggs fry and small fish. Its body shape help It to pull out fry from the rocky in the lake, In home tank Its diet based on bloodworms, Frozen food, meaty flakes and pellet. In captivity the calvus will appreciate water change at least once a week and it can be kept in 30 gallon tank with rocks and caves as hiding places.

Altolamprologus calvus isn't hard to breed, but you do need to make sure your fish are sexually mature, the calvus grow very slowly and he reach is maturity in Age of 2 to 2.5, the males are much bigger than females and this is the best way to sex between them. Look for a small fish and large fish that like to stay together and you Will know that you have a couple, they will prefer to laid eggs in big shells or in a Ceramic cones, the female will enter the shell in order to laid eggs then the mail will enter the shell or just standing above it in order to fertilize the eggs. The female laid 60-200 hundred eggs in one time. They have known to be good parents, while the female Guard the eggs inside the shell the male patrols around it. After the fry hatch they will stay inside the shell to a period of a month enjoying parent protection. In this time you have to pay attention to water parameters the fry are very sensitive, you can also feed the fry with Cyclops and fry food.

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