1647 Neoopisthopterus tropicus (Hildebrand, 1946) Pristigasteridae Pristigasterids Clupeiformes Teleostei Tropical longfin herring Eastern Central Pacific: Gulf of California to the northern tip of Peru. AMNH 49474 1947 Neoopisthopterus tropicus AMNH 53084 1947 Neoopisthopterus tropicus GCRL 12006 1973 Neoopisthopterus tropicus 2 - 3 m GCRL 12316 1973 Neoopisthopterus tropicus 8 m GCRL 16507 1976 Neoopisthopterus tropicus GCRL 15891 1978 Neoopisthopterus tropicus 1 m AMNH 58221 1987 Neoopisthopterus tropicus