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Nematalosa flyensis Wongratana, 1983 Fly river gizzard shad |
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photo by
FAO |
| Family: | Dorosomatidae (Gizzard shads and sardinellas) | |||
| Max. size: | 22.2 cm SL (male/unsexed) | |||
| Environment: | pelagic; freshwater | |||
| 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. (130435) | |||
| Threat to humans: | harmless | |||