Nematalosa japonica Regan, 1917
Japanese gizzard shad
Nematalosa japonica
photo by Randall, J.E.

 Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Dorosomatinae
 Max. size:  19 cm SL (male/unsexed)
 Environment:  benthopelagic
 Distribution:  Western Pacific: Matsushima Bay, Sea of Japan southward to Taiwan Island, Hong Kong, the Philippines, and a single record from Gulf of Thailand.
 Diagnosis:  Dorsal spines (total): 0-0; Anal spines: 0-0; Anal soft rays: 17-26. Body generally more slender than in other species, belly with total 30 to 34 scutes. Anterior arm of pre-operculum with a fleshy triangle above, not covered by third infra-orbital bone (see N. come). Lower jaw strongly flared outward. Pectoral axillary scale well developed. Hind edge of scales distinctly toothed. A dark spot behind gill opening.
 Biology:  Schooling near shore over sand or mud, preferring warmer water than Konosirus punctatus. A filter-feeder; takes minute algae or organic matter. Breeds around May in Japanese waters.
 IUCN Red List Status: Not Evaluated  (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: Binohlan, Crispina B. - 25.07.94

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