Common names from other countries
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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Placidochromis: Latin, placidus = of peaceful or tranquile appearance + Greek, chromis = a fish, perhaps a perch (Ref. 45335); hennydaviesae: Named after Henny Davies, wife of Peter Davies, former exporter of aquarium fish from Malawi (Ref. 55898).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal; diepte 71 - 100 m (Ref. 55898). Tropical; 12°S - 15°S
Africa: Endemic to Lake Malawi. Occurs in the southern part of the lake.
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 10.0 cm TL mannelijk / geslacht onbekend; (Ref. 4994)
Korte beschrijving
Morfologie | Morfometrie
Dorsale stekels (totaal): 14 - 15; Dorsale zachte stralen (totaal): 9-10; Anale stekels 3; Anale zachte stralen: 8 - 9. Diagnosis: lower jaw length 40.9-46.5 % head length; premaxillary pedicel 26.8-31.3 % head length; body depth 32.8-35.7 %SL; outer oral jaw teeth tricuspid; cheek depth 20.0-23.5 % head length; interorbital width 20.0-22.4 % head length; head width 41.6-44.5 % head length (Ref. 55898).
Inhabits areas with a muddy floor covered with a thick layer of sedimentary diatoms; feeds on planktonic invertebrates as well as insect larvae found in the substrate (Ref. 5595).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Maréchal, C., 1991. Placidochromis. p. 378-380. 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. 4994)
Status op de Rode Lijst van het IUCN (Ref. 130435)
CITES (Ref. 128078)
Not Evaluated
Gevaar voor de mens
Harmless
Gebruik door de mens
Aquarium: Commercieel
Meer informatie
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm Total Length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.3 ±0.43 se; based on food items.
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).