Etrumeus wongratanai DiBattista, Randall & Bowen, 2012
photo by Chater, S.

Family:  Dussumieriidae (Round herrings)
Max. size:  18.5 cm SL (male/unsexed)
Environment:  pelagic-neritic; marine; depth range - 26 m,
Distribution:  Western Indian Ocean: South Africa to Somalia (Gulf of Aden and off the Horn of Africa).
Diagnosis:  Dorsal soft rays (total): 21-22; Anal soft rays: 10-10; Vertebrae: 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).
Biology: 
IUCN Red List Status: Data deficient (DD); Date assessed: 14 June 2017 Ref. (130435)
Threat to humans:  harmless


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