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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.
Ambiente: milieu / zona climatica / distribuzione batimetrica / gamma di distribuzione
Ecologia
marino pelagic-neritic; distribuzione batimetrica ? - 26 m (Ref. 91762). Tropical
Western Indian Ocean: South Africa to Somalia (Gulf of Aden and off the Horn of Africa).
Dimensione / Peso / Età
Maturità: Lm ? range ? - ? cm
Max length : 18.5 cm SL maschio/sesso non determinato; (Ref. 91762)
Breve descrizione
Chiavi di identificazione | Morfologia | Morfometria
Raggi dorsali molli (totale) : 21 - 22; Raggi anali molli: 10; Vertebre: 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.
Ciclo vitale e comportamento di accoppiamento
Maturità | Riproduzione | Deposizione | Uova | Fecondità | Larve
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)
Stato della Lista Rossa IUCN (Ref. 130435: Version 2025-2 (Global))
Minaccia per l'uomo
Harmless
Usi umani
Strumenti
Rapporti speciali
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Fonti Internet
Stime basate su modelli
Indice di diversità filogenetica (Fonte Biblio.
82804): PD
50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00724 (0.00306 - 0.01715), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref.
93245).
Livello trofico (Fonte Biblio.
69278): 3.4 ±0.3 se; based on size and trophs of closest relatives
Resilienza (Fonte Biblio.
120179): Alto, tempo minimo di raddoppiamento della popolazione meno di 15 mesi (Preliminary K or Fecundity.).
Vulnerabilità della pesca (Ref.
59153): Low vulnerability (13 of 100).
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