Description
Lithobates Cichlid
The Z Rock Cichlid (Otopharynx lithobates), originating from the rocky regions of Lake
Malawi, is renowned for its striking appearance and dynamic behaviour. Its vivid metallic
blue body, accented with a bold yellow dorsal fin, makes it a highly prized species among
aquarists. The intense coloration not only adds visual appeal to aquariums but also provides
insight into the mechanisms of sexual selection and territorial behaviour within cichlid
species. Native to the rocky environments (meaning rock-dweller) of Lake
Malawi, Z Rock Cichlids are an important species for studying the role of habitat
specialization. They have evolved to graze on algae and microorganisms, playing a crucial
role in controlling algal growth in their natural habitat. Their preference for rock-based
territories in the aquarium mimics this natural behaviour, requiring a setup that includes
rocky formations and caves for hiding and territorial establishment.
Gender Inequalities
Mature males are the most visually striking, showcasing brilliant metallic blue bodies with a
vibrant yellow blaze along their dorsal fin. This bold coloration serves as a display of
dominance and health, particularly important during breeding season when males need to
attract mates and defend territories. Their intense colours are also an indicator of their
fitness, as more vibrant males are often more successful in mating. In contrast, females are
far more subdued in appearance, typically displaying a pale, silvery or brownish coloration.
This muted palette helps them blend into their rocky environment, providing camouflage that
reduces their visibility to predators, especially during breeding and mouthbrooding.
Tank temperament and Compatible Tank Companions
Z Rock Cichlids are territorial and will claim specific areas of the tank, especially if there are
rocks or caves that mimic their natural habitat. They may become aggressive towards other
fish that enter their claimed territory. This behaviour is more pronounced during breeding
periods when males are particularly defensive of their space. In terms of tank companions,
Species from the same lake that share similar environmental conditions and behaviour can
make excellent companions.
pH: 7.5-8.5
Size: 16cm
Temperature: 24°c
