Family: Cichlidae
Black Calvus Cichlid — a Cichlidae from Lake Tanganyika, Africa, territorial; line-of-sight breaks keep the peace. Reaches 10.1–14.9 cm; a pair claims a territory; give each a defensible cave. 23–25 °C.
Altolamprologus calvus, a member of the family Cichlidae, comes from Lake Tanganyika, Africa, where it inhabits lakes and slow rivers with structure. Territorial; line-of-sight breaks keep the peace and omnivore with a protein lean — quality cichlid pellets, it grows to 10.1–14.9 cm and adapts well to a properly set-up aquarium in the 23–25 °C range. In a community tank it pairs well with Large robust catfish.
A moderate-level species: territorial; line-of-sight breaks keep the peace; stable water matters more than fancy equipment.
Hold 23–25 °C and keep it stable — 23–25 °C recorded range. Heater required for stable tropical warmth.
Full size is 10.1–14.9 cm. Minimum tank: 266 L, with open swimming space along its bottom-dwelling habits.
Omnivore with a protein lean — quality cichlid pellets. Vary the menu — quality flakes or pellets plus frozen or live foods.
Yes, with care. Territorial; line-of-sight breaks keep the peace — pair it with Large robust catfish — Ignore the posturing below and skip Small or timid fish — Bullied relentlessly.
Native to Lake Tanganyika, Africa, where it lives in lakes and slow rivers with structure. Still to gentle current; Moderate.
Jumping is not a known issue; cover the tank anyway during water changes.
In the aquarium: dedicated pair-bonded spawner; expect fry defence. Often striking; males larger and brighter.