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Lake Malawi cichlids — species, locations & maps

Lake Malawi cichlids — species, locations & maps
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Labidochromis heterodon 'Boadzulu Island'
Genus: Labidochromis
Type locality: Boadzulu Island, Lake Malawi.
Biotope: Shallow rocky littoral habitat, usually in wave-exposed areas with boulder-strewn substrates and algae-covered rocks. Occurs mainly at depths between about 2 and 15 m.
Geographic distribution: Endemic to Boadzulu Island in the southeastern arm of Lake Malawi.
Typical adult size: Up to about 7.3 cm standard length.
Sexual dimorphism: Males are slightly larger and show a more pronounced dorsal fin pattern. Females are duller in coloration and resemble females of other deep-bodied Labidochromis.
Recommended aquarium size: At least 180–200 L for a small group.
Aquarium setup: Aquarium should replicate a rocky habitat with numerous caves, crevices, and visual barriers. Strong filtration and good water circulation are required. Stable alkaline water conditions should be maintained.
Diet: Primarily feeds on aufwuchs, consisting of algae, diatoms, and biofilm scraped from rocks. Small benthic invertebrates such as insect larvae may be consumed opportunistically.
Breeding: Maternal mouth-brooder. Males defend small territories on rocky substrates and court females through visual displays. Eggs are incubated in the female’s mouth for approximately 2–3 weeks.
Aggression: Generally peaceful compared to many mbuna, though males may defend small feeding or breeding territories.
Special notes: Distinguished from other Labidochromis by its unique heterodont dentition, with unicuspid central teeth in the outer row and unevenly bicuspid lateral teeth. The species has a very restricted distribution and was previously assessed as Vulnerable, but is currently listed as Least Concern. There is taxonomic uncertainty, as it has been suggested to be a junior synonym of Labidochromis mathothoi.

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Photo: © Larry Johnson
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Lake Malawi cichlids — species, locations & maps.
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