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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); polli: Named in honour of Dr. Max Poll, who was a well known Belgian ichthyologist; his revision of the Lake Tanganyika cichlids (Poll, 1956) is the most important taxonomic study of this fauna to date (Ref. 55898).
Eponymy: Dr Max Fernand Leon Poll (1908–1991) was a Belgian ichthyologist, and ‘connoisseur of the fish fauna’. [...] (Ref. 128868), visit book page.
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water demersaal; diepte 49 - 126 m (Ref. 55898). Tropical; 12°S - 15°S
Africa: Endemic to the southern part of Lake Malawi.
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 14.9 cm SL mannelijk / geslacht onbekend; (Ref. 55898)
Dorsale stekels (totaal) : 16 - 17; Dorsale zachte stralen (totaal) : 9 - 10; Anale stekels: 3; Anale zachte stralen: 8 - 9. Diagnosis: head length 32.3-34.8 %SL; head width 34.5-38.4 % head length; snout length 35.1-39.0 % head length; lower jaw length 36.4-38.8 % head length; premaxillary pedicel 28.3-30.7 % head length; outer oral dentition mainly unicuspid; lachrymal 23.1-26.1 % head length; cheek depth 19.1-23.3 % head length; interorbital width 16.2-17.8 % head length; lower pharyngeal teeth small and slender; predorsal distance 34.6-37.5 %SL; body depth 31.1-36.0 %SL (Ref. 55898).
Occurs usually in sandy and muddy bottoms at great depths and regularly taken below 75 m.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Maréchal, C., 1991. Lethrinops. p. 233-240. 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. 4985)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: commercieel; Aquarium: Commercieel
Tools
Speciale rapporten
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Internetbronnen
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=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.4 se; based on size and trophs of closest relatives
Weerstandsvermogen (Ref.
120179): Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
