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Ompok argestes Sudasinghe & Meegaskumbura, 2016

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

> Siluriformes (Catfishes) > Siluridae (Sheatfishes)
Etymology: Ompok: It is a bad reproduction of a Malayam fish name as limpok/ompok (Ref. 45335)argestes: The specific name argestes is a Homeric (Greek) term which means southwest, a reference to the region of Sri Lanka in which the species occurs.

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

; zoet water demersaal. Tropical

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Asia: Sri Lanka.

Grootte / Gewicht / Leeftijd

Maturity: Lm ?  range ? - ? cm
Max length : 14.7 cm SL mannelijk / geslacht onbekend; (Ref. 116164)

Korte beschrijving Determinatiesleutels | Morfologie | Morfometrie

Dorsale zachte stralen (totaal) : 4; Anale zachte stralen: 56 - 63; Wervels: 48 - 52. Ompok argestes differs from its Indian and Sri Lankan congeners by the combination of the following characters: body color pattern mottled; predorsal profile uniformly convex; maxillary barbels reach or extend slightly beyond the base of the dorsal fin; eye diameter 14.2-17.1% head length; body depth at anus 19.8-22.3% standard length (SL); head width 14.3-16.8% SL; caudal peduncle depth 5.6-6.5% SL; and vertebrae 48-52 (Ref. 116164).

Biologie     Verklarende woordenlijst (bv. epibenthic)

Found among submerged roots and marginal vegetation in slow-flowing, shaded regions of rivers and streams with a substratum of mud or leaf debris (Ref. 116164).

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

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Sudasinghe, H. and M. Meegaskumbura, 2016. Ompok argeste, a new species of silurid catfish endemic to Sri Lanka (Teleostei: Siluridae). Zootaxa 4158(2):261-271. (Ref. 116164)

Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2024-1)

  Kwetsbaar, zie IUCN Rode Lijst (VU) (B1ab(iii)+2ab(iii)); Date assessed: 07 August 2019

CITES

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 (0.00279 - 0.01132), b=3.00 (2.83 - 3.17), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245).
Trofisch niveau (Ref. 69278):  3.7   ±0.6 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).