Nematalosa nasus (Bloch, 1795)
Bloch's gizzard shad
Nematalosa nasus
photo by Randall, J.E.

 Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Dorosomatinae
 Max. size:  22 cm TL (male/unsexed)
 Environment:  pelagic-neritic; depth range 0 - 30 m, anadromous
 Distribution:  Indo-West Pacific: Gulf of Aden north to the Persian Gulf, then eastward to the Andaman Sea, South China Sea and the Philippines, and north to southern tip of Korea. Single record from South Africa (Ref. 3259).
 Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 15-19; Anal spines: 0-0; Anal soft rays: 17-26. Dark bluish dorsally, silvery below (Ref. 3259). A dark spot behind gill opening. Belly with 17 to 20 (usually 18) + 9 to 13 (usually 11), total 28 to 32 (usually 30) scutes. Anterior arm of pre-operculum with the third infra-orbital bone immediately above it, no fleshy gap between; lower jaw strongly flared outward. Pectoral axillary scale present; hind edge of scales distinctly toothed.
 Biology:  Known from estuaries and coastal areas, occasionally ascending into the upper reaches of the tidal zone (Ref. 12693). A filter-feeder. Marketed fresh, dried-salted or boiled. Made into fish balls. Very bony.
 IUCN Red List Status:   (Ref. 96402)
 Threat to humans:  harmless
 Country info:   
 

 Entered by: Binohlan, Crispina B. - 17.10.90
 Modified by: Bailly, Nicolas - 15.07.13
 Checked by: Froese, Rainer - 17.12.98

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