Black Convict Cichlid (Amatitlania nigrofasciata)

Family: Cichlidae

Black Convict Cichlid — a Cichlidae from Central and North America, assertive but manageable with space and structure. Reaches 7.5–11 cm; singly, in pairs, or as a harem — never crowded. 23.2–32.8 °C.

Care parameters

Water temperature
23.2–32.8 °C
pH
7–8
GH hardness
9–20 dGH
Adult length
7.5–11 cm
Minimum tank
145 L
Water layer
Bottom-dwelling
Difficulty
Moderate
Temperament
Assertive but manageable with space and structure
Origin
Central and North America

Species overview

Amatitlania nigrofasciata, a member of the family Cichlidae, comes from Central and North America, where it inhabits lakes and slow rivers with structure. Assertive but manageable with space and structure and accepts all foods; emphasise quality over variety, it grows to 7.5–11 cm and adapts well to a properly set-up aquarium in the 23.2–32.8 °C range. In a community tank it pairs well with Large robust catfish.

Native biotope

Habitat
Lakes and slow rivers with structure
Flow
Still to gentle current
Dissolved O₂
Moderate

Aquascape & hardware

Substrate
Sand with rock piles
Hardscape
Stones, caves and broken lines of sight
Plants
Hardy species that tolerate digging

Temperament, diet & tankmates

Schooling
Singly, in pairs, or as a harem — never crowded
Diet
Accepts all foods; emphasise quality over variety
Recommended tankmates
  • Large robust catfish — Ignore the posturing below
Avoid keeping with
  • Small or timid fish — Bullied relentlessly

Breeding & notes

Sexual dimorphism
Often striking; males larger and brighter
Breeding method
Cave or substrate spawner with prolonged parental care

Frequently asked questions

Is Black Convict Cichlid easy to keep?

A moderate-level species: assertive but manageable with space and structure; stable water matters more than fancy equipment.

What temperature and water chemistry does Black Convict Cichlid need?

Hold 23.2–32.8 °C and keep it stable — 23.2–32.8 °C narrowed from occurrence records. Heater required for stable tropical warmth.

How big does Black Convict Cichlid get, and what tank size?

Expect 7.5–11 cm as an adult, living bottom-dwelling. A 145 L tank or larger gives it room.

What does Black Convict Cichlid eat?

Accepts all foods; emphasise quality over variety. It forages naturally over sand with rock piles, so let some food reach the bottom.

Can Black Convict Cichlid live with other fish?

Assertive but manageable with space and structure; singly, in pairs, or as a harem — never crowded. Good company: Large robust catfish — Ignore the posturing below. Keep away from Small or timid fish — Bullied relentlessly.

Where does Black Convict Cichlid come from?

Its home waters are Central and North America — lakes and slow rivers with structure, with still to gentle current.

Does Black Convict Cichlid jump?

Jumping is not a known issue; cover the tank anyway during water changes.

How does Black Convict Cichlid breed?

Cave or substrate spawner with prolonged parental care. Often striking; males larger and brighter.