Features: Front edge of "Hammer" slightly rounded and scalloped; inside
tip of pectoral fin dark; rear edge of ventral fin straight
         Description: Gray with pale underside
         Notes: Compare with Great Hammerhead;
the scalloped has shorter dorsal fin; also a smooth Hammerhead: Sphyma zygaena,
that inhabits Florida in winter
  
Audubon Field Guide; page 277; plate 48-49; 
          Reef Fish ID, 3rd edition; page 450-451; plate
451; 
          Size: 5-9 feet; max 14 feet; 
          Depth: 20-160 feet;