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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.
Miljö: miljö / Klimatzon / djupintervall / distributionsområde
Ekologi
marina pelagic-neritic; djupintervall ? - 26 m (Ref. 91762). Tropical
Western Indian Ocean: South Africa to Somalia (Gulf of Aden and off the Horn of Africa).
Storlek / Vikt / Ålder
Könsmognad: Lm ?  range ? - ? cm
Max length : 18.5 cm SL hane/ej könsbestämd; (Ref. 91762)
Kort beskrivning
Bestämningsnycklar | Morfologi | Morfometri
Mjukstrålar i ryggfenan (totalt) : 21 - 22; Mjukstrålar i analfenan: 10; Ryggkotor: 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.
Livscykel och parningsbeteende
Könsmognad | Reproduktion | Lek | Ägg | Fekunditet | Larver
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 på IUCN:s rödlista (Ref. 130435: Version 2025-2 (Global))
Hot mot människor
Harmless
Mänskliga användningsområden
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Uppskattningar baserade på modeller
Index för fylogenetisk mångfald (Ref. 82804) |
PD50 = 0.5078 [Uniqueness, from 0.5 = low to 2.0 = high]. |
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Bayesian length-weight
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a=0.00724 (0.00307 - 0.01708), b=3.04 (2.84 - 3.24), in cm total length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245). |
Trofisk nivå (Ref. 69278) |
3.4 ±0.3 se; based on size and trophs of closest relatives |
Resiliens (Ref. 120179) |
Hög, lägsta populationsfördubblingstid mindre än 15 månader (Preliminary K or Fecundity.). |
Sårbarhet i fisket (Ref. 59153) |
Low vulnerability (23 of 100). 🛈 |