Common names: Great hammerhead
FAO 3-Alpha (ASFIS): SPK
Differences from similar species
Sphyrna lewini and S. zygaena. The height of the first dorsal fin is less than 1 ½ times the body depth. S. lewini has a median notch on the anterior edge of its head and S. zygaena has three lobes on the anterior edge of its head.