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Cypriniformes (Carps) >
Danionidae (Danios) > Rasborinae
Etymology: Rasbora: Rasbora, an Indian word for a fish, also used in Malay peninsula; naggsi: Named for Fred Naggs (Natural History Museum, London) for his support of biodivesity exploration and research in Sri Lanka.
Eponymy: Professor Fred Naggs is a malacologist who is Biodiversity & Conservation Officer in the Mollusca Research Group, Invertebrates section of the Life Sciences Department of the Natural History Museum, London. [...] (Ref. 128868), visit book page.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
; zoet water benthopelagisch. Tropical
Asia: Sri Lanka.
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 7.7 cm SL mannelijk / geslacht onbekend; (Ref. 84057)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Wervels: 38. Rasbora naggsi is distinguished from all its congeners from India and Sri Lanka by a combination of the following characters: axial stripe anteriorly narrow, faint in preserved specimens; mouth terminal; symphysial knob and premaxillary lateral process absent;
½ 4/ 1/ 1 ½ scales in transverse line on body; post-dorsal length 43.8-46.5 % SL; and body depth 18.1-21.7 % SL (Ref. 84057).
Body shape (shape guide): elongated.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
Silva, A., K. Maduwage and R. Pethiyagoda, 2010. A review of the genus Rasbora in Sri Lanka, with description of two new species (Teleostei: Cyprinidae). Ichthyol. Explor. Freshwat. 21(1):27-50. (Ref. 84057)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Bedreigd (EN) (B1ab(iii)+2ab(iii)); Date assessed: 07 August 2019
Gevaar voor de mens
Harmless
Gebruik door de mens
Visserij: van potentieel belang
Tools
Speciale rapporten
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Internetbronnen
Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00692 (0.00286 - 0.01676), b=3.08 (2.89 - 3.27), in cm total length, based on LWR estimates for this Genus-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.2 ±0.4 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).
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![Image of Rasbora naggsi (Naggsi\](/images/thumbnails/jpg/tn_Ranag_u0.jpg "Image of Rasbora naggsi (Naggsi\")
