913 Sphyrna media Springer, 1940 Sphyrnidae Hammerhead, bonnethead, or scoophead sharks Carcharhiniformes Elasmobranchii Scoophead Western Atlantic: Panama to southern Brazil. Eastern Pacific: Gulf of California to Ecuador and probably northern Peru. FB 2740531 Sphyrna nana 8 m ISH 246-1981 1981 Sphyrna media 40 m MOVI 24563-24566 1981 Sphyrna media 50 m 95/04 11 N 43 E 1995 Sphyrna media 30 - 32 m