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Marcusenius angolensis (Boulenger, 1905)

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Marcusenius angolensis
Picture by Germeau, G.


Congo (Kinshasa) country information

Common names: [No common name]
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: live export: yes;
Comments: Known from the Kasai (Ref. 41590), middle Congo River (Ref. 41591) and Aruwimi (Ref. 106290). Specimens from Pool Malebo identified as Gnathonemus aff. angolensis (Ref. 45486). Report of Gnathonemus angolensis from Kapanga (upper Lualaba)(Ref. 11970) possibly refers to M. macrolepidotus. Also Ref. 3203.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/cg.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: David, L. and M. Poll, 1937
National Database:

Common names from other countries

Classificatie / Names Lokale namen | Synoniemen | Catalog of Fishes(Genus, Soort(en)) | ITIS | CoL | WoRMS | Cloffa

> Osteoglossiformes (Bony tongues) > Mormyridae (Elephantfishes)
Etymology: Marcusenius: Becasue of J. Marcusen, author of "Zur Phauna des Schwarzen Meeres", 1867; ichthyologist.
  More on author: Boulenger.

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

; zoet water demersaal; potamodroom (Ref. 51243).   Tropical

Verspreiding Landen | FAO regio's | Ecosystemen | Voorkomen | Point map | Introducties | Faunafri

Africa: Cuanza, Kunene, (upper) Zambezi (Ref. 11970, 94473, 120641), Okavango and southern Congo River basin (Ref. 120641) in Angola. Also in the Kasai (Ref. 41590), middle Congo River (Ref. 41591) and Aruwimi (Ref. 106290) in Democratic Republic of the Congo; possibly also in Pool Malebo (Ref. 45486).

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 13.5 cm TL mannelijk / geslacht onbekend; (Ref. 42015)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 26; Anale stekels 0; Anale zachte stralen: 33. Diagnosis: Marcusenius angolensis can be distinguished from its congeners by the following characters: number of anal fin rays 33, number of dorsal rays 26, anal fin length 25.7% of standard length, dorsal fin length 19.6% of standard length, and caudal peduncle length 17.0% of standard length (Ref. 75962). Colouration: colour in preservation: a homogeneous brown-ochre (Ref. 75962).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Levenscyclus en paargedrag Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven

Hoofdreferentie Upload your references | Referenties | Coördinator | Medewerkers

Kramer, B., P. Skelton, H. van der Bank and M. Wink, 2007. Allopatric differentiation in the Marcusenius macrolepidotus species complex in southern and eastern Africa: the resurrection of M. pongolensis and M. angolensis, and the description of two new species (Mormyridae, Teleostei). J. Nat. Hist. 41(9-12):647-708. (Ref. 75962)

Status op de Rode Lijst van het IUCN (Ref. 130435)

  Niet bedreigd (LC) ; Date assessed: 01 February 2010

CITES (Ref. 128078)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless




Gebruik door de mens

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Estimates based on models

Fylogenetische diversiteitsindex (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00251 - 0.01261), b=3.05 (2.85 - 3.25), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.1   ±0.4 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 (10 of 100).