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Kneria ansorgii (Boulenger, 1910)

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Kneria ansorgii
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drawing shows typical fish in this Family.

Classificatie / Names Populaire namen | Synoniemen | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

Actinopterygii (Straalvinnigen) > Gonorynchiformes (Milkfish) > Kneriidae (Shellears)
Etymology: Kneria: From Kner, that studied fishes in the Imperial Museum of Vienna, with Jean Natterer (1817) (Ref. 45335).  More on author: Boulenger.

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

; zoetwater benthopelagisch.   Tropical

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

Africa: Lucalla (Ref. 1869) and Congo basin (Ref. 11970) in Angola. Also reported from the upper Lualaba in Democratic Republic of the Congo (Ref. 45616).

Size / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 8.0 cm NG mannelijk/geslacht niet bekend; (Ref. 45616)

Korte beschrijving Morfologie | Morfometrie

Dorsale stekels (totaal): 0; Dorsale zachte stralen (totaal): 10; Anale stekels 0; Anale zachte stralen: 11 - 12. Diagnosis: body elongated, 5.66-6 times longer than deep (Ref. 45616). Body depth equal to head length, the latter 5.33 times in total length; eye lateral, visible from below as well as from above, its diameter 3.33 times in head length; sides and lower surface of head with conical horny tubercles; males with cupshaped apparatus on operculum, much larger than eye, and followed, on scapular region, by a large lamellar pad (18-19 lamellae) (Ref. 1869). Dorsal fin with 7 branched rays (Ref. 1880), originating well beyond vertical of base of pelvic fins (Ref. 1869, 45616). Anal fin with 8-9 branched rays (Ref. 1880). Caudal fin deeply notched, crescentic; pale brownish above, yellowish beneath, with scattered dark brown dots and a series of round blackish spots, connected by a dark brown lateral band, just above the lateral line; fins uniform whitish (Ref. 1869). A black dot at base of pelvic fins (Ref. 1880).

Biologie     Verklarende woordenlijst (b.v. epibenthic)

Life cycle and mating behavior Geslachtsrijpheid | Voortplanting | Kuitschieten | Eieren | Fecundity | Larven

Voornaamste referentie Upload your references | Referenties | Coördinator | Medewerkers

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. 120744)

  Onvoldoende gegevens (DD) ; Date assessed: 01 March 2007

CITES (Ref. 115941)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Gevaarlijk voor mensen

  Harmless





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Aquatic Commons | BHL | Cloffa | Websites from users | Bekijk FishWatcher gegevens | CISTI | Catalog of Fishes (gen., sp.) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank(genoom, nucleotide) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia(ga naar, zoek) | World Records Freshwater Fishing | Zoological Record

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5001   [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).
Weerstandsvermogen (Ref. 69278):  Hoog, minimale populatieverdubbelingstijd minder dan 15 maanden ().
Kwetsbaarheid (Ref. 59153):  Low vulnerability (10 of 100) .