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Etrumeus wongratanai DiBattista, Randall & Bowen, 2012 |
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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 | |||