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Cichliformes (Cichlids, convict blennies) >
Cichlidae (Cichlids) > Pseudocrenilabrinae
Etymology: Tylochromis: Greek, tylos = callus + Greek, chromis = a fish, perhaps a perch (Ref. 45335); variabilis: Named with referene to the relatively wide range of body forms and degree of lower pharyngeal jaw development encompassed by the taxon (Ref. 52346).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical; 5°N - 12°S
Africa: middle and upper Congo River basin, including the Sankuru, Sangha, Ubangui, Uele, Kotto, Bomu, Lomami, Aruwimi, Itimbiri, Lindi-Tshopo, Lualaba, upper Lualaba and Chambezi, in Cameroon, Central African Republic, Democratic Republic of the Congo and Zambia (Ref. 52346). Also reported from the Sanga in Republic of Congo (Ref. 44840).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 27.6 cm NG mannelijk / geslacht onbekend; (Ref. 2970)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 14 - 16; Dorsale zachte stralen (totaal) : 11 - 16; Anale stekels: 3; Anale zachte stralen: 7 - 8; Wervels: 28 - 29. Diagnosis: 33-35 lateral line scales; 15-16 gill-rakers along lower limb of first arch; entire premaxillary oral valve present; dorsal fin length of 55.4-65.5% SL (Ref. 52346).
Opportunistic benthic macrophage (Ref. 52346). Feeds on plants, insects and (to a lesser degree) molluscs (Ref. 52307). Maternal (Ref. 52307) mouthbrooder (Ref. 4910, 52307) that does not pair-bond (Ref. 52307).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Stiassny, M.L.J., 1989. A taxonomic revision of the African genus Tylochromis (Labroidei, Cichlidae); whith notes on the anatomy and relationships of the group. Ann. Mus. R. Afr. Cent. Ser. 8, Sci. Zool., 258:1-161. (Ref. 52346)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-2)
Gevaar voor de mens
Harmless
Gebruik door de mens
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=0.01820 (0.00751 - 0.04407), b=3.01 (2.83 - 3.19), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 2.6 ±0.24 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 (15 of 100).
