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Lake Malawi cichlids — species, locations & maps

Lake Malawi cichlids — species, locations & maps
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Dimidiochromis dimidiatus 'Senga Bay'
Genus: Dimidiochromis
Type locality: Lake Malawi
Biotope: Very shallow sandy bottoms near the shoreline, often with vegetation; observed at depths up to about 3 m.
Geographic distribution: Endemic to Lake Malawi; more common in the northern part of the lake, with only infrequent records from the south (e.g. Kambiri Point).
Typical adult size: Males up to about 20 cm total length; females remain smaller.
Sexual dimorphism: Males are larger than females. Both sexes are silvery with a sharply defined mid-lateral stripe ending in an elongate spot on the caudal fin; breeding coloration differences are subtle compared to other Dimidiochromis.
Recommended aquarium size: Minimum 500–600 litres; large footprint preferred.
Aquarium setup: Fine sandy substrate with some vegetated areas; limited rockwork. Provide ample swimming space. Keep no more than one adult male per aquarium due to territorial behavior.
Diet: Carnivorous; feeds on small fishes and larger invertebrates.
Breeding: Maternal mouthbrooder. Breeding males have been observed but territorial behavior and spawning-site construction are poorly documented; little is known about natural breeding behavior.
Aggression: Generally shy in the wild; males can be territorial in the aquarium. Not suitable with very small tankmates due to predatory tendencies.
Special notes: Distinguished from other Dimidiochromis by its shallow body, relatively short dorsal spines, and a sharply demarcated mid-lateral band terminating in a large elongate caudal spot. Although assessed as Least Concern (LC), it is rarely encountered and likely affected by beach seining. Very shy and difficult to collect alive.

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Photo: © Ad Konings
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Lake Malawi cichlids — species, locations & maps.
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