Black Calvus (Altolamprologus calvus)

Remarks: Altolamprologus calvus are natural predators and should not be kept with tiny fish. Their unique head shape makes them very popular among aquarists, and very adapted for hunting prey in small crevices between rocks. 
Scientific Name: Altolamprologus calvus
Common Name: Black Calvus
Max Size: 6"
pH: 7.5-8.4
Hardness: Hard
Temperature: 74-82°
Aggressiveness: Semi-Aggressive
Region of Origin: Lake Tanganyika, Africa
Captive Bred or Wild: Captive Bred
Diet: Flake or pellet