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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Dimidiochromis: Greek, di = two + Latin, midio, dimidiatus = divided into halves, 1623 + Greek, chromis = afish, perhaps a perch (Ref. 45335).
More on author: Ahl.
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique. Tropical; 24°C - 26°C (Ref. 13614); 9°S - 17°S
Africa: widely distributed in Lake Malawi. Also found in Lake Malombe (Ref. 5595).
Taille / Poids / Âge
Maturité: Lm ?  range ? - ? cm
Max length : 30.0 cm TL mâle / non sexé; (Ref. 5627); poids max. publié: 515.00 g (Ref. 40637)
Description synthétique
Clés d'identification | Morphologie | Morphométrie
Usually encountered near rocks (Ref. 267, 55954), but also often forms schools offshore (Ref. 267). A common predator in surface water near the shore (Ref. 267). Feeds on small fishes; the small Utaka and lake sardine, Engraulicypris sardella, are among the favorite items (Ref. 5595). Hunts in pairs or in large groups (Ref. 3817).
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Guards the young for about 4 days.
Maréchal, C., 1991. Dimidiochromis. p. 76-78. In J. Daget, J.-P. Gosse, G.G. Teugels and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ISNB, Brussels; MRAC, Tervuren; and ORSTOM, Paris. Vol. 4. (Ref. 5627)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Pêcheries: commercial; pêche sportive: oui; Aquarium: Commercial
Outils
Articles particuliers
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Sources Internet
Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5625 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00671 - 0.03113), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Réf.
69278): 4.2 ±0.73 se; based on food items.
Résilience (Réf.
120179): Milieu, temps minimum de doublement de population : 1,4 à 4,4 années (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (20 of 100).
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