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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); obscurus: From the Latin "obscurus" = dark, referring to the relatively dark melanin pattern in mature males (Ref. 55898).
Environnement : milieu / zone climatique / profondeur / gamme de distribution
Écologie
; eau douce benthopélagique; profondeur 65 - 125 m (Ref. 55898). Tropical
Africa: endemic to Lake Malawi, present in the southern part of the lake (Ref. 55898).
Taille / Poids / Âge
Maturité: Lm ? range ? - ? cm
Max length : 6.2 cm SL mâle / non sexé; (Ref. 55898)
Épines dorsales (Total) : 15; Rayons mous dorsaux (Total) : 10 - 11; Épines anales: 3; Rayons mous anaux: 9. Diagnosis: head length 32.3-34.5 %SL; snout length 28.5-29.5 % head length; snout blunt; lower jaw length 36.3-38.0 % head length; premaxillary pedicel length 22.5-26.3 % head length; lachrymal 16.9-20.0 % head length; 18-21 gill-rakers on lower limb of first arch; predorsal distance 35.4-36.5 %SL; body depth 35.5-37.4 %SL (Ref. 55898).
Body shape (shape guide): fusiform / normal.
Cycle de vie et comportement reproducteur
Maturité | Reproduction | Frai | Œufs | Fécondité | Larves
Hanssens, M., 2004. The deep-water Placidochromis species. p. 104-197. In J. Snoeks (ed.) The cichlid diversity of Lake Malawi/Nyasa/Niassa: identification, distribution and taxonomy. Cichlid Press, El Paso, USA. (Ref. 55898)
Statut dans la liste rouge de l'IUCN (Ref. 130435: Version 2025-2 (Global))
Menace pour l'homme
Harmless
Utilisations par l'homme
Outils
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Estimations basées sur des modèles
Indice de diversité phylogénétique (Réf.
82804): PD
50 = 0.5000 [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): 3.2 ±0.4 se; based on size and trophs of closest relatives
Résilience (Réf.
120179): Haut, temps minimum de doublement de population inférieur à 15 mois (Preliminary K or Fecundity.).
Vulnérabilité de la pêche (Ref.
59153): Low vulnerability (10 of 100).
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