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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); praecox: The species is named in reference to the reproductive precocity of its members (Ref. 52346).
Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical; 5°S - 7°S
Africa: lower Congo River, below the rapids at Matadi (Ref. 52307, 52346).
Grootte / Gewicht / Leeftijd
Maturity: Lm ? range ? - ? cm
Max length : 13.0 cm SL mannelijk / geslacht onbekend; (Ref. 52346)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 14 - 15; Dorsale zachte stralen (totaal) : 13 - 14; Anale zachte stralen: 7; Wervels: 28. Diagnosis: upper lateral line extending full length of dorsal fin base and descending a row before proceeding the length of 3 or more scales; 15 gill-rakers along lower limb of first arch; 35-37 lateral line scales; relatively large headed and deep bodied; pectoral fin long, usually extending to level of spinous anal fin (Ref. 52346).
Omnivorous, prefers small organic particles, regardless whether they are plants or small insects (Ref. 52307). Opportunistic bentic microphage; probably tolerant of relatively high salinity levels (Ref. 52346). Maternal mouthbrooder (Ref. 52307, 52346) 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 2024-1)
Gevaar voor de mens
Harmless
Gebruik door de mens
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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): 2.6 ±0.27 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).
