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Tylochromis intermedius (Boulenger, 1916)

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drawing shows typical species in Cichlidae.

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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);  intermedius: Named by Boulenger (1916) presumably in reference to its scale formula which he stated to be intermediate between that of T. jentinki and T. lateralis (Ref. 52346).
More on author: Boulenger.

Issue
Specific status has been questioned by Schultz (1942) and Daget (1954)(Ref. 52346).

Environment: milieu / climate zone / depth range / distribution range Ecologie

; zoet water benthopelagisch; pH range: 6.5 - 7.5; dH range: 2 - ?. Tropical; 24°C - 28°C (Ref. 2059); 14°N - 5°N

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Africa: coastal rivers from Gambia to the Tano River in Ghana (Ref. 52307, 53405).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 27.2 cm TL mannelijk / geslacht onbekend; (Ref. 130795)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 12 - 15; Dorsale zachte stralen (totaal) : 15 - 18; Anale stekels: 3; Anale zachte stralen: 7 - 9; Wervels: 31. Diagnosis: 31 vertebrae (Ref. 52346). 3 scale rows between anterior parts of upper and lower lateral line; thin lips and a lower jaw with posterior end lower than tip (forming an angle of 15-20° with the horizontal)(Ref. 7378, 52346, 53405).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Opportunistic benthic macrophage (Ref. 52346). Prefers insects and their larvae; maternal mouthbrooder that does not pair-bond (Ref. 52307).

Levenscyclus en paargedrag Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator : Kullander, Sven O. | Medewerkers

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)

  Niet bedreigd (LC) ; Date assessed: 14 January 2020

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

FAO - Publication: search | FishSource |

Meer informatie

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Overzichtspagina | Puntgegevens | Lokale namen | Foto's

Internetbronnen

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | BOLDSystems | Websites from users | Bekijk FishWatcher | CISTI | Catalog of Fishes: Genus, Soort(en) | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GenBank: genoom, nucleotide | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | Tree of Life | Wikipedia: ga naar, zoek | World Records Freshwater Fishing | Zoological Record

Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.02188 (0.01112 - 0.04305), b=2.97 (2.80 - 3.14), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  2.6   ±0.3 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 (17 of 100).