Marcusenius macrolepidotus, Bulldog : fisheries, gamefish, aquarium

Marcusenius macrolepidotus (Peters, 1852)

Bulldog
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Marcusenius macrolepidotus
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Classificatie / Namen 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.
Eponymy: Dr Johann Andreas Marcusen (1817–1894) was a Latvian of German descent who was a physician, ichthyologist and zoologist. [...] (Ref. 128868), visit book page.
More on author: Peters.

Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied Ecologie

; zoet water demersaal; pH range: 7.0 - ? ; dH range: 10 - ?; potamodroom (Ref. 51243). Tropical; 22°C - 24°C (Ref. 12468); 20°S - 31°S

Verspreiding Gebieden | FAO regio's | Ecosystemen | Voorkomen | Verspreidingskaart | Introducties | Faunafri

Africa: Lower Zambezi River from the delta upstream to at least Tete, if not Victoria Falls, and the lower Shire River; also Pungwe, Buzi and Mulela Rivers (Ref. 75962). Also upper and central Congo basin (Ref. 3203, 95585), Lake Rukwa basin (Ref. 95585), and east flowing rivers of Tanzania and Natal (Ref. 3203). Widespread and common in the Cunene and Okavango systems (Ref. 7248). Reports from Pool Malebo (Ref. 41585), the middle Congo River (Ref. 4910) and the Lulua (Kasai drainage)(Ref. 42554) possibly refer to M. angolensis.

Lengte bij maturiteit / Grootte / Gewicht / Leeftijd

Maturiteit: Lm 13.0  range ? - ? cm
Max length : 32.0 cm TL mannelijk / geslacht onbekend; (Ref. 27292); max. gepubliceerd gewicht: 500.00 g (Ref. 7248)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 20 - 24; Anale stekels: 0; Anale zachte stralen: 26 - 31. Diagnosis: Marcusenius macrolepidotus is best distinguished from M. altisambesi by the number of circumpeduncular scales, which is 12-18 vs. 12-14, and an electric organ discharge lacking an initial head-negativity; from M. devosi by the number of scales in linear series along the lateral line row, which is 52-62 vs. 56-66, shorter caudal peduncle length, and weaker Namp of its electric organ discharge; from M. pongolensis by the number of scales in linear series along the lateral line row, which is 52-62 vs. 70-76, the umber of circumpeduncular scales, which is 12-18 vs. 16-20, a greater body depth, and longer Ndur of its electric organ discharge in females and juveniles; and from M. angolensis by its lower number of anal fin rays, being less than 31 vs. 33, and dorsal fin rays, being less than 24 vs. 26, and a higher number of circumpeduncular scales (Ref. 75962).
Body shape (shape guide): fusiform / normal; Cross section: compressed.

Biologie     Verklarende woordenlijst (bv. epibenthic)

Caught with dipnets in the Kafue floodplain, Zambia. Prefers well-vegetated, muddy bottomed marginal habitats of rivers and floodplains. A shoaling species which moves inshore after dark. Migrates within rivers. Recorded to move up tributaries in shoals during flood season (Ref. 13337). Feeds on invertebrates, especially midge and mayfly larvae and pupae taken from the bottom and off plant stems. Breeds during the rainy season in shallow vegetated localities; females carry up to 6,000 eggs (Ref. 7248). Possesses electroreceptors over the entire head and on the ventral and dorsal regions of the body, but absent from the side and the caudal peduncle where the electric organ is located (Ref. 10011).

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

Hoofdreferentie Upload uw referenties | Referenties | Coördinator | Medewerkers

Gosse, J.-P., 1984. Mormyridae. p. 63-122. In J. Daget, J.-P. Gosse and D.F.E. Thys van den Audenaerde (eds.) Check-list of the freshwater fishes of Africa (CLOFFA). ORSTOM, Paris and MRAC, Tervuren. Vol. 1. (Ref. 3203)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))

  Niet bedreigd (LC) ; Date assessed: 19 June 2018

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaar voor de mens

  Harmless





Gebruik door de mens

Visserij: commercieel; sportvis: ja; Aquarium: Commercieel
FAO - Publication: search | FishSource |

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Schattingen op basis van modellen

Fylogenetische diversiteitsindex
(Ref. 82804) 		PD50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight a=0.01259 (0.00753 - 0.02106), b=2.91 (2.77 - 3.05), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Trofisch niveau
(Ref. 69278) 		3.2   ±0.2 se; based on diet studies.
Weerstandsvermogen
(Ref. 120179) 		Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden (K=0.7-1.1).
Kwetsbaarheid van de visserij
(Ref. 59153) 		Low vulnerability (22 of 100). 🛈
Prijsklasse
(Ref. 80766) 		Unknown.
Voedingsstoffen
(Ref. 124155) 		Calcium = 202 [101, 487] mg/100g; Iron = 1.82 [0.84, 3.76] mg/100g; Protein = 17.8 [15.4, 20.1] %; Omega3 = 0.562 [0.221, 1.457] g/100g; Selenium = 80.1 [29.1, 221.7] μg/100g; VitaminA = 28.3 [10.5, 77.6] μg/100g; Zinc = 1.74 [1.12, 3.45] mg/100g (wet weight);