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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Mchenga: Name from Chichewa, the indigenous language of Malawi; mchenga (sand), was chosen to indicate the type of bowers constructed by the members of this genus. Gender is feminine..
Environment: milieu / climate zone / depth range / distribution range
Écologie
; eau douce benthopélagique; profondeur 10 - 15 m (Ref. 58018). Tropical
Africa: Lake Malawi.
Taille / Poids / Âge
Maturity: Lm ?  range ? - ? cm
Max length : 7.8 cm SL mâle / non sexé; (Ref. 27597)
Épines dorsales (Total): 16 - 17; Rayons mous dorsaux (Total): 10-12; Rayons mous anaux: 9. Diagnosis: yellow ocelli on anal fin of females and non-breeding males; juveniles and females with hyaline fins; breeding male without black markings in caudal fin (Ref. 57549). 10-16 gill rakers on first ceratobranchial (Ref. 57549), 4-5 on epibranchial (Ref. 27597). Teeth in outer rows on dentary and premaxilla of mature males small and bicuspid (Ref. 57549).
Forages in the water column, feeding mainly on zooplankton (Ref. 27597).
Life cycle and mating behavior
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Male builds cone-shaped bowers in breeding arenas on the rock/sand interface at water depths of 15-25 m.
Stauffer, J.R. Jr., T.J. LoVullo and K.R. McKaye, 1993. Three new sand-dwelling cichlids from Lake Malawi, Africa, with a discussion of the status of the genus Copadichormis (Teleostei: Cichlidae). Copeia 1993(4):1017-1027. (Ref. 27597)
Statut dans la liste rouge de l'IUCN (Ref. 130435)
Menace pour l'homme
Harmless
Utilisations par l'homme
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01514 (0.00700 - 0.03275), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Niveau trophique (Ref.
69278): 3.4 ±0.45 se; based on food items.
Résilience (Ref.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).