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Gonorynchiformes (Milkfishes) >
Kneriidae (Shellears)
Etymology: ladigesi: Dedicated to W. Ladiges, director of the Zoologisches Staats Instituut und Zoologisches Museum of Hamburg (Germany) (Ref. 11970).
Eponymy: Dr Werner Ladiges (1910–1984) was a German zoologist, ichthyologist and aquarist who was Director and Professor, Zoologisches Staats Instituut und Zoologisches Museum, Hamburg. [...] (Ref. 128868), visit book page.
More on author: Poll.
Milieu: milieu / Klimaatzone / Diepte / verspreidingsgebied
Ecologie
; zoet water benthopelagisch. Tropical
Africa: Cuango River (Kasai drainage, middle Congo River basin) in Angola (Ref. 11970).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 6.4 cm SL mannelijk / geslacht onbekend; (Ref. 11970)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale stekels (totaal) : 0; Dorsale zachte stralen (totaal) : 11; Anale stekels: 0; Anale zachte stralen: 9. Diagnosis: head length 4.5-4.9 times in SL; body depth 8.2-9 times in SL; snout rounded, 2.3-2.7 times in HL; eye superolateral, 5.3-6.5 times in HL, 1.7-2.1 times in interorbital width, 2.1-2.8 times in snout length; dorsal fin origin 1.05-1.2 times further from snout tip than from caudal fin origin, slightly in front of pelvic fin origin; anal fin base 1.8-2.4 times further from pelvic fin origin than from caudal fin origin; pectoral fins large, 4.5-4.9 times in SL, 0.95-1.05 times in HL; pelvic fin 6.1-6.7 times in SL, 1.35-1.45 times in HL; caudal peduncle 1.6-1.9 times longer than deep (Ref. 11970).
Body shape (shape guide): elongated; Cross section: circular.
Maximum TL was recorded at 7.8 cm (Ref. 11970).
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Poll, M., 1984. Kneriidae. p. 129-133. 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. 3565)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-2 (Global))
Gevaar voor de mens
Harmless
Gebruik door de mens
Tools
Speciale rapporten
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Internetbronnen
Schattingen op basis van modellen
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00389 (0.00180 - 0.00842), b=3.12 (2.94 - 3.30), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Kwetsbaarheid van de visserij (Ref.
59153): Low vulnerability (10 of 100).
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