
Labidochromis caeruleus
Labidochromis caeruleus
The Labidochromis caeruleus (Labidochromis caeruleus) is an aggressive fish that's easy to keep. Give it a tank of at least 150 litres (40 US gallons), water held at 73-82°F, and a pH of 7.5-8.5.
Captive lifespan reflects typical experience in a home aquarium, not maximum recorded age; genetics, sourcing, and care vary.
Natural distribution
Africa / South America (varies)
- Africa
- South America
Regional colours match the stocking calculator's origin map.
Labidochromis caeruleus Tank Setup
Give them at least 150 litres (40 US gallons). Cichlids are territorial and produce plenty of waste, so strong filtration and some rocks or wood to break up sight lines both help. Aim for 73-82°F and a pH around 7.5-8.5.
What Do Labidochromis caeruleus Eat?
They're not fussy eaters - feed a varied diet, rotating good-quality dry, frozen, and gel foods rather than the same thing every day, and match the food size to their mouths.
Labidochromis caeruleus Tank Mates
Electric Yellow Cichlid variant; one of the more peaceful mbuna. Good mbuna starter fish. The Labidochromis caeruleus is aggressive, which is the first thing to weigh up when you choose tank mates. Good matches come down to the whole stocking list working together - temperature, tank size, and temperament - not any single label. Before you buy, run your full stocking list through our stocking calculator. It weighs temperament, adult size, and water needs together, which a single species page can't do on its own.
Are Labidochromis caeruleus Good for Beginners?
Reasonable early choice after cycling. Buy after the tank has stable ammonia and nitrite readings, not the same weekend you fill it.
Labidochromis caeruleus - frequently asked questions
What size tank do Labidochromis caeruleus need?
Labidochromis caeruleus need a tank of at least 150 litres (40 US gallons). A bigger tank is always easier to keep stable, and gives them more room to settle in and behave naturally.
What water parameters do Labidochromis caeruleus need?
Keep them at 73-82°F with a pH of 7.5-8.5, steady rather than chased to an exact figure. In a cycled tank, ammonia and nitrite should both read 0 ppm, with nitrate kept low through regular water changes.
What do Labidochromis caeruleus eat?
Labidochromis caeruleus are omnivores and aren't fussy eaters. Feed a varied mix of good-quality dry, frozen, and gel foods, and match the food size to their mouths. Feed small amounts once or twice a day, and remove anything they don't eat.
Are Labidochromis caeruleus good for beginners?
Yes - Labidochromis caeruleus are a reasonable beginner fish once the tank is cycled and parameters are stable. Add them after ammonia and nitrite read 0 ppm, not the same day you fill the tank.
Common mistakes with Labidochromis caeruleus
- Underestimating tank size - the minimum footprint is 150 litres (40 US gallons); impulse buying into a smaller tank leads to stress and shortened lifespan.
Building a community? Run the full list through the stocking calculator before you add anything else.
Fish to avoid mixing with Labidochromis caeruleus
These well-known species are commonly sold alongside this fish but are not recommended tank mates - verify before purchasing.
- Pea PufferPredator - Pea Puffer will eat or injure smaller tank mates
- Zebra DanioFin nipper - will shred the fins of peaceful fish
- Black Skirt TetraFin nipper - will shred the fins of peaceful fish










