Nematalosa flyensis Wongratana, 1983
Fly river gizzard shad
Nematalosa flyensis
photo by FAO

Family:  Clupeidae (Herrings, shads, sardines, menhadens), subfamily: Dorosomatinae
Max. size:  22.2 cm SL (male/unsexed)
Environment:  pelagic
Distribution:  Oceania: endemic to Papua New Guinea (known only from the Fly and Strickland rivers).
Diagnosis:  Dorsal spines (total): 0-0; Dorsal soft rays (total): 13-14; Anal spines: 0-0; Anal soft rays: 17-26. Belly with 16 to 18 (usually 17) + 10 to 13 (usually 11 or 12), total 26 to 32 (usually 28 or 29) scutes. Anterior arm of pre-operculum with a fleshy triangular area above, not covered by third infra-orbital bone (see N. come). Edge of lower jaw strongly flared outward. Pectoral axillary scales absent. Hind edge of scales toothed. A faint band on flank.
Biology:  Occurs in rivers, but no indication whether it descends to estuaries. A filter-feeder. More data needed.
IUCN Red List Status: Data deficient (DD); Date assessed: 02 March 2017 Ref. (123251)
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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