Common name
Electric yellow cichlid
Scientific name
Labidochromis caeruleus
Category
Freshwater fish
Group
African Rift Lake cichlids
Environment
Freshwater
Origin
Lake Malawi; the familiar yellow aquarium form is associated with north-western rocky-shore populations, while the species also includes differently coloured populations
Care level
Intermediate
Adult size
Usually 10–12 cm total length
Expected lifespan
6–12 years
Minimum housing
At least 220 L with extensive rockwork for one deliberately planned group
Temperature
24–27 °C
pH
7.6–8.8
Hardness / minerals
Hard, alkaline water
Salinity
Freshwater
Lighting
Normal to bright lighting over algae-bearing rockwork
Placement / swimming zone
Rockwork and adjacent open water

Identity and search names

This profile applies to Labidochromis caeruleus. Confirm trade identity and preserve breeder, supplier or locality records where relevant.

Environment and housing

Hard alkaline Lake Malawi-style aquarium with stable oxygenation, extensive rockwork and multiple interrupted sight lines

Feeding and nutrition

Feeding ecology: Omnivore with a strong invertebrate component plus algae and plant material; avoid chronic rich feeding

Feeding routine: Offer small measured meals once or twice daily across several stations

Breeding and reproduction

Maternal mouthbrooder; the female incubates eggs and fry after spawning on or near rockwork

Parental care: Female carries eggs and developing fry in the mouth until release

System demands

Filtration: Use mature biological filtration sized for the adult stock and feeding load, with guarded intakes and a flow pattern the species can use without continual effort.

Aeration: Maintain strong gas exchange and stable dissolved oxygen, especially overnight, during warm weather, medication, crowding or any interruption to filtration.

Maintenance: Test ammonia and nitrite after changes or abnormal behaviour; remove waste from the occupied zone and perform regular water changes matched to temperature and mineral chemistry.

Detailed husbandry

Identity scope
This profile applies to Labidochromis caeruleus. Confirm trade identity and preserve breeder, supplier or locality records where relevant.
Adult size and space
Usually 10–12 cm total length. At least 220 L with extensive rockwork for one deliberately planned group. Plan around adult dimensions, activity, group size, aggression and waste production rather than sale size.
Social structure
One male with several females or a carefully planned mbuna group; avoid keeping only one male and one female
Swimming zone
Primary zone: Rockwork and open water. Keep that zone usable for movement, feeding and refuge.
Feeding ecology
Omnivore with a strong invertebrate component plus algae and plant material; avoid chronic rich feeding
Feeding plan
Offer small measured meals once or twice daily across several stations
Water stability
Maintain 24–27 °C; pH 7.6–8.8; hardness/minerals: Hard, alkaline water. Stable oxygenation and nitrogen-cycle control matter more than chasing one exact number.
Habitat structure
Hard alkaline Lake Malawi-style aquarium with stable oxygenation, extensive rockwork and multiple interrupted sight lines
Compatibility plan
Compatible mbuna with similar size, water and diet needs; avoid timid fish and lookalike species likely to hybridise
Breeding plan
Maternal mouthbrooder; the female incubates eggs and fry after spawning on or near rockwork. Parental care: Female carries eggs and developing fry in the mouth until release.
Quarantine
Quarantine new fish in a separate cycled aquarium with dedicated equipment. Match temperature and mineral chemistry gradually, confirm feeding and normal respiration, and never add transport water to the established aquarium.
Welfare checks
Maintain the stated adult space and social structure, verify feeding and intervene early when injury, exclusion, weight loss, abnormal respiration or altered behaviour appears. “Relatively peaceful mbuna” does not mean peaceful community fish. Poor rock layout, a one-to-one sex ratio, incompatible diets and similar Labidochromis or mbuna can cause injury or hybridisation.
Biosecurity and release
Never release fish, fry, eggs, aquarium water, sediment, plants or live foods into drains, dams or natural waterways. Confirm current Australian import conditions and South Australian possession, trade and movement rules before acquisition or transfer.
Main risk
“Relatively peaceful mbuna” does not mean peaceful community fish. Poor rock layout, a one-to-one sex ratio, incompatible diets and similar Labidochromis or mbuna can cause injury or hybridisation.
Adult Projected Load
Moderate to high for a correctly structured mbuna group because dense rock territories, repeated feeding and hard-water stocking create strong oxygen and waste demands.
Filtration
Use mature mechanical and biological filtration with protected intakes and enough turnover for the adult group while preserving species-appropriate current and refuge.
Aeration
Provide strong gas exchange and backup aeration; increase oxygen support before warm weather, heavy feeding, crowding, medication or filter interruption reduces the safety margin.
Maintenance
Remove uneaten food and bottom waste, clean prefilters before flow falls, test ammonia and nitrite after changes, and perform regular temperature- and chemistry-matched water changes.
Overridable Warnings
Hard alkaline water, rock security, sex ratio, mbuna diet, aggression management and no-release obligations cannot be overridden.

Welfare and risk

Main risk

“Relatively peaceful mbuna” does not mean peaceful community fish. Poor rock layout, a one-to-one sex ratio, incompatible diets and similar Labidochromis or mbuna can cause injury or hybridisation.

Maintain the stated adult space and social structure, verify feeding and intervene early when injury, exclusion, weight loss, abnormal respiration or altered behaviour appears. “Relatively peaceful mbuna” does not mean peaceful community fish. Poor rock layout, a one-to-one sex ratio, incompatible diets and similar Labidochromis or mbuna can cause injury or hybridisation.

Non-overridable warning

Hard alkaline water, rock security, sex ratio, mbuna diet, aggression management and no-release obligations cannot be overridden.

Sources

Source note

CURRENT