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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. [...] Lubbina Schilthuis (1863–1951), sometimes known as Louise Schilthuis, was a Dutch ichthyologist and herpetologist who became Curator at the Museum of Zoology, University of Utrecht. [...] (Ref. 128868), visit book page.
More on author: Boulenger.
Environment: milieu / climate zone / depth range / distribution range
Ekologi
; sötvatten bottenlevande; pH range: 7.0 - ? ; dH range: 5 - 15. Tropical; 24°C - 28°C (Ref. 2060)
Africa: middle Congo River basin from Pool Malebo to the Ruki River, in Democratic Republic of the Congo (Ref. 27691).
Size / Vikt / Age
Maturity: Lm ? range ? - ? cm
Max length : 14.8 cm SL hane/ej könsbestämd; (Ref. 27691)
Life cycle and mating behavior
Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver
Boden, G., G.G. Teugels and C.D. Hopkins, 1997. A systematic revision of the large-scaled Marcusenius with description of a new species from Cameroon (Teleostei: Osteoglossomorpha: Mormyridae). J. Nat. Hist. 31:1645-1682. (Ref. 27691)
IUCN Red List Status (Ref. 130435: Version 2024-1)
Threat to humans
Harmless
Human uses
Verktyg
Special reports
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Estimates based on models
Phylogenetic diversity index (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00244 - 0.01296), b=3.05 (2.85 - 3.25), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisk nivå (Ref.
69278): 3.1 ±0.4 se; based on size and trophs of closest relatives
Resiliens (Ref.
120179): Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low vulnerability (10 of 100).
