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Clupeiformes (Herrings) >
Dussumieriidae (Round herrings)
Etymology: wongratanai: Named for Dr. Thosaporn Wongratana.
Eponymy: Dr Thosaporn Wongratana is a Thai ichthyologist at the faculty of Science, Chulalongkorn University. [...] (Ref. 128868), visit book page.
Environment: milieu / Klimaatzone / Diepte / distribution range
Ecologie
marien pelagic-neritic; diepte ? - 26 m (Ref. 91762). Tropical
Western Indian Ocean: South Africa to Somalia (Gulf of Aden and off the Horn of Africa).
Grootte / Gewicht / Leeftijd
Maturiteit: Lm ? range ? - ? cm
Max length : 18.5 cm SL mannelijk / geslacht onbekend; (Ref. 91762)
Korte beschrijving
Determinatiesleutels | Morfologie | Morfometrie
Dorsale zachte stralen (totaal) : 21 - 22; Anale zachte stralen: 10; Wervels: 50 - 53. This species is distinguished by the following characters: D 21- 22; A 10; pectoral-fin rays 15-17; gill-rakers 12-13 + 32-33 (total 43-47); vertebrae 52-53; origin of pelvic fins about one-third eye diameter posterior to a vertical at rear base of dorsal fin; colour when preserved in alcohol: dark purplish grey on dorsal half of body (iridescent blue where scales present), abruptly pale silvery grey on ventral half; a faint dusky blotch posterior to upper third of opercle; when fresh, colour of body iridescent blue-green on dorsal half of body, the scale edges of upper two or three rows black, abruptly silvery white ventrally; a semicircular blackish spot posterior to upper third of opercle (Ref. 91762).
Body shape (shape guide): elongated; Cross section: compressed.
Levenscyclus en paargedrag
Maturiteit | Voortplanting | Paaien | Eieren | Fecunditeit | Larven
DiBattista, J.D., J.E. Randall and B.W. Bowen, 2012. Review of the round herrings of the genus Etrumeus (Clupeidae: Dussumieriinae) of Africa, with descriptions of two new species. Cybium 36(3):447-460. (Ref. 91762)
Status op de Rode Lijst van het IUCN (Ref. 130435: Version 2025-1)
Gevaar voor de mens
Harmless
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00490 (0.00226 - 0.01060), b=3.08 (2.88 - 3.28), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.4 ±0.3 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 (13 of 100).
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