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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 / distribuzione batimetrica / distribution range
Ecologia
; acqua dolce benthopelagico; distribuzione batimetrica 10 - 15 m (Ref. 58018). Tropical
Africa: Lake Malawi.
Size / Peso / Age
Maturità: Lm ? range ? - ? cm
Max length : 7.8 cm SL maschio/sesso non determinato; (Ref. 27597)
Spine dorsali (totale) : 16 - 17; Raggi dorsali molli (totale) : 10 - 12; Raggi anali molli: 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).
Body shape (shape guide): fusiform / normal.
Forages in the water column, feeding mainly on zooplankton (Ref. 27597).
Life cycle and mating behavior
Maturità | Riproduzione | Deposizione | Uova | Fecundity | Larve
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)
IUCN Red List Status (Ref. 130435: Version 2025-1)
Threat to humans
Harmless
Human uses
Strumenti
Special reports
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Fonti Internet
Estimates based on models
Phylogenetic diversity index (Fonte Biblio.
82804): PD
50 = 0.5156 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01445 (0.00674 - 0.03099), b=2.99 (2.82 - 3.16), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trophic level (Fonte Biblio.
69278): 3.4 ±0.45 se; based on food items.
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
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