Klawe, W.L.Alverson, F.G.2009-02-012009-02-011964-04Klawe WL, Alverson FG. 1964. Occurrence of two species of young threadfin, Polydactylus opercularis and P. approximans, in the offshore waters of the eastern tropical Pacific Ocean. Pac Sci 18(2): 166-173.0030-8870http://hdl.handle.net/10125/5512en-USOccurrence of Two Species of Young Threadfin, Polydactylus opercularis and P. approximans, in the Offshore Waters of the Eastern Tropical Pacific OceanArticle