freshwater community4


Yellow Lab

yellow lab

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Scientific Name:   Labidochromis caeruleus      
Min. Tank Size:   40 gallons      
Personality:   Peaceful      
Temperature:   77-82°F      
pH:   7.5-8.5/5-20°dGH     
Size:   4"      
Diet:   Omnivore      
Breeding:   Egglayer      


Best kept in a Lake Malawi biotype tank with other peaceful Lake Malawi species; can also be kept with hard water-tolerant Rainbowfish and Cyprinids.

Yellow Lab

This species of fish is endemic to Lake Malawi in East Africa and is also known by the names Caeruleus, Yellow Prince and Blue Streak Hap. Several of the common names for these fish are derived from their bright yellow coloration. The yellow coloration typically extends to the fins, though the dorsal and anal fins may be tipped in black in some specimens. This species exists in several color morphs, including the Electric Yellow variant which is the most popular color morph of this species. Though the yellow color morph is most popular in the aquarium trade, the white and blue morphs are more common in the wild.

Tank Set-up

Yellow Labs are a fairly peaceful species of Mbuna Cichlid and they can be kept in a variety of hard water tank setups. These fish are best kept in a Lake Malawi biotype tank, however, with other peaceful Lake Malawi species. The tank for Yellow Labs should be decorated with plenty of rocks to provide caves and spawning sites along with small areas of open water. The preferred substrate for Yellow Labs is sand. Mbuna Cichlids require a tank with high quality, well oxygenated water. Therefore, excellent filtration and weekly partial water changes are a must.


These fish are omnivorous by nature and will accept a variety of foods. The ideal diet for Yellow Labs, however, will consist primarily of vegetable-based foods like Spirulina flakes and blanched vegetables. Supplement this diet with high-quality Cichlid flakes or pellets along with small portions of live and frozen foods such as brine shrimp, chopped mussels or prawns, and blood worms. Feed a regular varied diet for optimum health and coloration.


Yellow Labs are maternal mouthbrooders and can be spawned in the home aquarium. For the best results, keep at least 2 females for every male and maintain the breeding tank at a pH between 8.2 and 8.5 and at a temperature around 78 degrees Fahrenheit. Males of this species tend to become aggressive and territorial during breeding periods, especially in their pursuit of the female. Once spawning occurs, the female will take the eggs into her mouth for the male to fertilize, then she will incubate them for 3 to 4 weeks until they hatch.

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