Polydactylus bifurcus, a new species of threadfin from Lombok Island, Indonesia (Perciformes : Polynemidae)

Polydactylus bifurcus sp. nov. is described on the basis of a single specim en collected from Lombok Island, Indonesia. The new species is distinguishe d from all other Indo-Pacific Polydactylus species by the following combina tion of characters: 15 pectoral fin rays, 5 pectoral filaments, 69 pored la teral line scales, 30 gill rakers, second spine of first dorsal fin very st rong and lateral line bifurcated on caudal fin base, extending to posterior margins of upper and lower caudal fin lobes.