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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); microdon: Named by Regan (1920) presumably in reference to the fine pharyngeal dentition of the species (Ref. 52346).
More on author: Regan.

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

; süßwasser benthopelagisch. Tropical

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Africa: Lake Tumba (middle Congo River basin) in Democratic Republic of the Congo (Ref. 52307, 52346). Report from Lake Mai-Ndombe questionable, possibly an error in locality designation (Ref. 52346).

Size / Gewicht / Alter

Maturity: L_m ? range ? - ? cm
Max length : 15.2 cm SL Männchen/unbestimmt; (Ref. 52346)

Kurzbeschreibung Bestimmungsschlüssel | Morphologie | Morphometrie

Rückenflossenstacheln (insgesamt) : 14 - 15; Rückenflossenweichstrahlen (insgesamt) : 12 - 15; Afterflossenweichstrahlen: 7; Wirbelzahl: 28 - 29. Diagnosis: marked hypertrophy of lateral line canals on flank and caudal fin; inflated preopercular laterosensory canals; distinctive excavation of premaxillary oral valve (Ref. 52346).

Restricted in its distribution to the lake proper and absent from the surrounding swamps and inundated forest (Ref. 52346). Predominantly a lacustrine form (unusual among Tylochromines)(Ref. 52346). Benthic microphage (Ref. 52346). Feeds mainly upon small organic particles, plants and invertebrates; maternal mouthbrooder that does not pair bond (Ref. 52307).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

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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)

IUCN Rote Liste Status (Ref. 130435: Version 2024-2)

stark gefährdet (EN) (B1ab(v)); Date assessed: 16 February 2009

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Harmless

Nutzung durch Menschen

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 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).

Trophic level (Ref. 69278): 2.8 ±0.32 se; based on food items.

Widerstandsfähigkeit (Ref. 120179): hoch, Verdopplung der Population dauert weniger als 15 Monate. (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (10 of 100).

Tylochromis microdon Regan, 1920