Nematalosa papuensis (Munro, 1964) Strickland river gizzard shad |
photo by
FAO |
Family: | Dorosomatidae (Gizzard shads and sardinellas) | |||
Max. size: | 21 cm SL (male/unsexed) | |||
Environment: | pelagic; freshwater | |||
Distribution: | Oceania: endemic to Papua New Guinea (only known from Fly and Strickland rivers). | |||
Diagnosis: | Dorsal spines (total): 0-0; Dorsal soft rays (total): 16-17; 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 31 (usually 28 or 29) scutes. Anterior arm of pre-operculum wit 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; no dark spot behind gill opening; a band on flank. | |||
Biology: | Occurs in rivers, but there is 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 |