Scientific Name: Altolamprologus calvus
Common Name(s): Black Calvus, White Calvus, Yellow Calvus
Habitat: Shallow Precipitous Rocky Habitat
Diet: Carnivore
Gender Differences: Monomorphic
Breeding: Substrate Spawner
Temperament: Mildly Aggressive
Conspecific Temperament: Mildly Aggressive
Maximum Size: 6″
Temperature: 77 – 79°F
pH: 8.6 ?9.1
Water Hardness: Very Hard
Difficulty: 2